A couple returns from the dead to find that they are back in their beloved home, as ghosts. They are horrified when the house is sold to a pretentious couple.

A couple returns from the dead to find that they are back in their beloved home, as ghosts. They are horrified when the house is sold to a pretentious couple.

A couple returns from the dead to find that they are back in their beloved home, as ghosts. They are horrified when the house is sold to a pretentious couple.

A couple returns from the dead to find that they are back in their beloved home, as ghosts. They are horrified when the house is sold to a pretentious couple.

A couple returns from the dead to find that they are back in their beloved home, as ghosts. They are horrified when the house is sold to a pretentious couple.

A couple returns from the dead to find that they are back in their beloved home, as ghosts. They are horrified when the house is sold to a pretentious couple.

A couple returns from the dead to find that they are back in their beloved home, as ghosts. They are horrified when the house is sold to a pretentious couple.

A couple returns from the dead to find that they are back in their beloved home, as ghosts. They are horrified when the house is sold to a pretentious couple.

Sheldon tries to make peace when Leonard and Penny get into an argument.

Penny is forced to rely on Sheldon when she is injured while Howard, Leonard and Raj are away.

After being humiliated on the radio, Sheldon vows to destroy Kripke; Wolowitz tries to not ruin his new relationship with Bernadette.

Sheldon tries to help Penny understand Leonard's work; Wolowitz gets jealous when Leonard starts hanging out with his new girlfriend.

Leonard is horrified when his mother (Christine Baranski) visits.

Sheldon and Koothrappali attend a university mixer; Leonard discovers that Penny believes in psychics.

Barbie and Ken are having the time of their lives in the colorful and seemingly perfect world of Barbie Land. However, when they get a chance to go to the real world, they soon discover the joys and perils of living among humans.

A senatorial candidate (Ralph Fiennes) falls for a chambermaid (Jennifer Lopez) after he mistakes her for a guest (Natasha Richardson) at the hotel.

Kate is a single, working-class mother of three who's fired by a selfish, spoiled and wealthy Mexican playboy named Leonardo. When Leonardo falls off his yacht and wakes up with amnesia, Kate seeks payback by convincing him that they're married.

Urkel plays go-between for Eddie and his girlfriend; guest Ziggy Marley.

When Steve goes to Russia, his Southern-belle cousin Myrtle visits the Winslows.

Sheldon struggles with newfound popularity after utilizing statistics to help the football team.

Sheldon is shocked when a NASA representative at school dismisses his science; he becomes determined to prove him wrong.

Meemaw causes a feud when she refuses to give George Sr. her brisket recipe; the kids try to resolve the feud.

George Sr. takes the boys on a road trip to see a space shuttle launch; Mary, Missy, and Meemaw have a girls weekend at the salon.

Sheldon is forced to tutor Georgie when poor grades threaten his brother's future on the football team.

Sheldon is required to attend Sunday school, but when he returns he decides to learn all he can about a multitude of religions.

Monica exults in the applause she receives on karaoke night, unaware that the cheering audience can see through her blouse.

Joey and Phoebe conspire to send Rachel and Ross on disastrous blind dates.

Joey stumbles upon a way to impress a famous actor (Jeff Goldblum) during an audition; Ross learns the identity of a long-ago mugger; Chandler accepts an internship at a shoe company.

Both Monica and Chandler secretly approach Joey for a loan; Phoebe invites Mike (Paul Rudd) to move in with her; Rachel baby-proofs the apartment.

Ross and Chandler trade barbed insults on their alma mater's Web site; Phoebe's resolve not to call ex-boyfriend Mike (Paul Rudd) weakens.

The gang buys scads of lottery tickets for the multimillion-dollar jackpot; Rachel suspects baby Emma is on the verge of saying her first word.

Rachel's visit to a soap opera set inspires her to dream about Joey; Chandler takes Ross on a weekend getaway after Monica cannot take time off from work.

Ross invites an attractive paleontologist (Aisha Tyler) to a rooftop "Days of Our Lives" party being thrown by Joey.

Monica and Chandler run into an old acquaintance when they secretly go to a fertility clinic; Ross helps Joey woo the same professor (Aisha Tyler) he wants to date.

Monica and Chandler interview unsuspecting candidates, hoping to find the right man to father their baby.

The gang heads to Barbados for a paleontology convention where Ross is the keynote speaker; David (Hank Azaria) prepares to propose to Phoebe, but ex-boyfriend Mike (Paul Rudd) is not yet out of the picture.

The gang heads to Barbados for a paleontology convention where Ross is the keynote speaker; David (Hank Azaria) prepares to propose to Phoebe, but ex-boyfriend Mike (Paul Rudd) is not yet out of the picture.

In Barbados, Monica, Chandler and Phoebe eavesdrop on their friends' passionate encounters; Monica styles her hair to look like a blowfish; Phoebe and Mike rekindle their romance.

After their apartment is robbed, Leonard and Sheldon turn to their friends to create a state-of-the-art security system.

Sheldon tries to figure out the answer to a physics problem by working with Penny.

Leonard must choose who to bring with him when he goes to see the Large Hadron Collider on Valentine's Day.

Sheldon ends up in traffic court after getting a ticket because of Penny.

When the guys buy a ring from "The Lord of the Rings" at a garage sale, the item threatens to tear them apart.

Sheldon's stage fright stands between him and a coveted award.

Penny and Leonard have a fight that threatens their relationship; Sheldon and Wil Wheaton face off once again.

Sheldon goes to extremes to keep Leonard and Penny happy when they stop speaking to each other.

Sheldon invites a famous physicist to the apartment, and competes with Leonard for her attention.

Leonard tells Penny about how he met Sheldon and what happened to the elevator.

Raj and Howard set up an online dating profile for Sheldon and find the perfect woman.

Penny tags along on Sheldon's first date; Wolowitz finds a new use for a robotic arm.

Realizing he will not live long enough to download his consciousness into a robot body, Sheldon tries to extend his life span.

When Sheldon searches for an alternative to human companionship, the guys become concerned.

An embarrassing secret of Wolowitz's is revealed; Raj and Sheldon get into a war at work.

Wanting to have the scariest haunted house on the block, Stan comes up with a "killer" setup; Steve competes to win the heart of his overprotective friend's younger sister.

Stan buys a new hot tub for stress relief from family life, but it begins encouraging him to misbehave.

Francine's dissatisfaction in the bedroom causes a haunting; Haley introduces her new guy to the family.

Steve and his friends take up witchcraft to gain power and popularity at school; Stan and Klaus become obsessed with remembering '90s bands.

Francine convinces Stan to let Roger play in his basketball league; Steve sings a parody of R. Kelly's "Trapped in the Closet.".

Stan discovers a salt mine in the backyard, but Steve turns out to be the rightful owner of the land, and faces pressure from the family to sell.

Stan goes on a mission to find out who didn't bring a gift to the CIA's Secret Santa party; Steve poses as the good boyfriend for several female classmates.

Stan and Steve start bowling for more quality time together; Klaus holds a contest to see whether Roger or Hayley has the worse attention span.

To avoid a suicide mission, Stan must beat Bullock in a DJ battle; Jeff starts drinking psychedelic teas and builds an imaginary musical instrument with Roger's help.

The Smith family forgets to celebrate Father's Day, so they plan the perfect day to make it up to Stan.

A suave senior likes Laura; Urkel challenges him to drag race.

Waldo persuades Steve, Myra and Laura to appear on a talk show to discuss romance.

Struck by lightning three times, Urkel won't go outside.

Steve volunteers to build the senior-class float for the homecoming parade.

When Sheldon moves to Dallas to attend a school for gifted children, the family struggles to cope with his absence.

Sheldon asks for a computer and unknowingly sparks an argument between Mary and George Sr. over the family's finances; Mary and the twins move in with Meemaw.

Sheldon's fear of germs leads him to detention when flu season hits Medford and he goes to extremes to stay healthy.

When Mary takes a job as church secretary, she finds herself becoming Pastor Jeff's marriage counselor; Sheldon and Missy spend their first afternoon home alone.

Sheldon makes friends with an upperclassman who introduces him to a new field of science; Mary and George disagree on how to handle Sheldon's blossoming social life.

Sheldon is bullied by an unlikely character; Mary and George disagree on how to handle the situation.

Ross drinks too much alcohol at dinner with Rachel, Joey and Charlie; Frank Jr. (Giovanni Ribisi) cannot cope with his precocious triplets.

Rachel and Joey nervously anticipate their first real date; Monica and Phoebe try to avoid an obnoxious friend (Jennifer Coolidge) with a fake British accent; Ross emerges from a tanning booth with a two-toned appearance.

Rachel gets Monica and Chandler to delay their trip to Vermont for Emma's first birthday bash.

Rachel feels like her younger sister, Amy, is finally on the verge of making a major change in her attitude; in order to help Amy become a more responsible person, Rachel overrides Ross' strong protests and allows Amy to baby-sit Emma.

When Ross interviews with Charlie's ex-boyfriend (Greg Kinnear) for a prized grant, the doctor makes a shocking stipulation; Chandler lies about watching Joey's bizarre audition tape.

Monica and Chandler fuss over their apartment as they expect a visit from the adoption worker, Laura; Phoebe and Mike opt for a small wedding and donate the extra money to a children's charity.

Monica prepares a Thanksgiving feast for the gang, then becomes enraged when everyone shows up late; Phoebe convinces Rachel to enter Emma in a baby beauty contest.

A prospective birth mother (Anna Faris) labors under a misconception about Monica and Chandler's respective occupations.

Rachel and Phoebe spot Chandler getting into a car with a mystery blonde; the friends reminisce about memorable moments.

Joey appears as a celebrity contestant on "$100,000 Pyramid"; Monica and Rachel hire an ungainly stripper for Phoebe's bachelorette party.

A blizzard causes Phoebe and Mike's wedding to spiral out of control; uptight Monica steps in as her friend's wedding planner, then drives everyone crazy.

Monica and Chandler show Erica the tourist sights; they learn their baby's biological father might be an unsavory character; Joey begs Phoebe to teach him how to speak French before an audition.

Rachel goes to a job interview at a restaurant and winds up sitting next to her current boss; Joey feels abandoned because Monica and Chandler are leaving.

Leonard realizes he is the only one in his group without a girlfriend; Sheldon wants to get rid of his girlfriend.

Leonard keeps an affair a secret from Sheldon, Howard and Raj.

Sheldon's interview with the FBI jeopardizes Wolowitz's security clearance.

While the guys camp out for a long-awaited movie screening, Penny and Bernadette invite Amy to her first slumber party.

Penny asks Leonard to lie to her father (Keith Carradine); Howard, Raj and Bernadette pull an all-nighter at a telescope.

Amy realizes she has feelings for Penny's ex; Koothrappali and Wolowitz try to prove who would be a better superhero.

The guys try to bond with Penny's new boyfriend through a costume contest.

Leonard's idea for a smartphone application causes friction in his friendship with Sheldon.

Bernadette runs into her ex-boyfriend (Rick Fox) while attending a science event with Wolowitz.

Sheldon takes acting lessons from Penny in hope of becoming a better teacher; Koothrappali fantasizes about his friend's girlfriend.

A wealthy donor makes Leonard question what he is willing to do for science.

Wolowitz considers taking things with Bernadette to the next level; Leonard and Raj's sister rekindle their relationship.

Sheldon is upset when he realizes Leonard is the center of their group of friends.

Leonard has to choose between Penny and his new girlfriend, Priya; Howard's magic trick drives Sheldon crazy.

The guys try to figure out who hacked Sheldon's online-game account.

Haley and Andy deal with their emotions in different ways; finding a preschool for Joe is more difficult than Jay and Gloria anticipated; when money gets tight, Cam wants Mitch to return to his former job.

Phil and Claire are hurt when Alex lies about her college move-in date and Luke doesn't want to spend the day at Phil's open house; being landlords stresses out Mitch and Cam.

Phil has second thoughts after he helps Haley talk Claire into letting Dylan move in; Mitch accepts a job working for Jay's biggest rival; Cameron and Gloria cannot agree on how to handle Manny's girl problem.

Phil can't get anyone else to care about tending to the eggs; Claire is anxious about bringing her closet ideas to Jay; Cameron gets over-attached to the frat guys living in the upstairs unit.

Claire wants to give Haley and Alex a great experience on Take your Daughter to Work Day but employees make things difficult; Jay has to help out at Joe's preschool when Gloria has jury duty; Mitch and Cam cannot agree on who to invite to a party.

Luke is arrested for driving without a license; Alex is caught sneaking out of a liquor store; Cam thinks Gloria should re-create and sell her family's hot sauce; Haley and Dylan have an awkward encounter with Beth and Andy.

A conversation about a house Phil is helping to sell gives everyone the idea to sneak in to enjoy it themselves; Jay and Gloria's plan to pay for a surprise family trip to Miami turns into a surprise for Gloria and then a bigger surprise for Jay.

When Gloria wins a family seminar at the school auction, Jay is resistant, Mitch and Cam try to come across as super stable, and Phil and Claire turn it into a competition; Haley and Alex get together to talk about boys.

Gloria rents a cabin in the mountains where the family can celebrate a picture-perfect Christmas, but unexpected factors complicate the holiday; Jay makes an announcement.

When Claire and Phil go out with a couple they met on vacation, the Dunphys end up having to pay the bill; Haley, Alex and Luke scramble to come through when Mitchell cashes in a birthday coupon they gave him.

Claire hopes to help the ducklings move out of the house while Phil is visiting Alex at college; Jay helps Mitch with Lily's sleepover; Cam, Gloria and Manny must meet a big hot sauce delivery deadline.

Claire decides to clean the clutter out of the house before taking over Jay's business; Jay's new hobby makes Cameron worry; Gloria enlists Mitchell to teach her how to golf so she can connect with Jay on a deeper level.

Phil doesn't feel appreciated while Claire is busy running the closet business; a life-size standee of Gloria for her hot sauce display attracts unsavory attention; Cam and Mitch become suspicious of their new renters.

Power outages during a thunderstorm send the whole family to Jay and Gloria's; Jay tries to make it to a reunion with buddies from the Navy; Phil hopes to redeem himself after a panic attack; Mitch and Cam must salvage Lily's birthday party.

A disappointing loss at the science fair sends Sheldon's life in a new direction.

Mary bans Sheldon from reading a mature comic book; Sheldon decides it's time to stop living under Mary's thumb.

When Sheldon is no longer academically challenged at Medford High, he audits a college class taught by Dr. John Sturgis.

A battle erupts in the neighbourhood between the Coopers and the Sparks when Sheldon is terrorised by the Sparks' new dog.

Sheldon keeps tabs on Meemaw's budding relationship with Dr. Sturgis; George Sr. and Mary attempt to bond with their other children.

Meemaw is pursued by gentlemen callers; she is forced to set ground rules when Sheldon interferes.

Monica finds it difficult to break up with her latest boyfriend (Geoffrey Lower), whom everyone likes; Chandler starts smoking again; Phoebe receives a large sum of money.

While the men attend a hockey game and end up at a hospital, the women spy on President Clinton's top aide, George Stephanopoulos, who lives across the street.

Chandler and Phoebe plan to dump dates on the same night at the same coffee house.

An agent (June Gable) offers Joey a movie role as Al Pacino's naked body double; Chandler dates a liberal woman (Sofia Milos).

Chandler finds himself trapped in an ATM vestibule with model Jill Goodacre during a city-wide power failure.

Monica and Ross share their feelings about death and their grandmother.

Monica and Ross cook Thanksgiving dinner for themselves, but everyone else shows up.

The friends renege on a promise not to bring dates to their New Year's Eve party.

Chandler learns details about his mother's (Morgan Fairchild) life when she appears on national television.

Rachel's Italian boyfriend tries to seduce Phoebe; Rachel accidentally reveals a secret to Ross; Monica's aunt refuses to take the lasagnas she ordered.

Phoebe's psychiatrist boyfriend (Fisher Stevens) annoys her friends with his analyses of their lives.

It's Valentine's Day and, out on his first date in nine years, Ross meets up with his ex-wife; Monica, Phoebe and Rachel rebel against the spirit of the day by burning mementos of past relationships.

A "high-spirited" restaurant owner wolfs down the gourmet meal Monica created as part of a job interview.

Amy and Sheldon spread gossip as part of an experiment; Howard decides to take a big step in his relationship with Bernadette.

Priya dissects the roommate agreement; the ladies take Sheldon dancing.

Raj tries to cure his social anxiety; Penny spies on Leonard and his girlfriend through Bernadette.

Howard's mom winds up in the hospital after hearing news of her son's engagement to Bernadette.

Bernadette gets her Ph.D., inspiring the guys to tease Wolowitz about his lack of a doctorate; Raj becomes Sheldon's roommate.

Penny worries that she has ruined her relationship with her friends; Sheldon takes over the paintball team.

An attractive comic book artist tests Leonard and Priya's relationship; Sheldon tries to scare his friends.

All Elite Wrestling continues to inject new spirit, freshness and energy into mainstream wrestling featuring a world-class roster of diverse male and female wrestlers.

Sal, Q and Murr kick off another season of antics by getting themselves stuck in a vent system and confusing customers at a bagel shop; our losing Joker will face humiliation in a punishment that's tough to swallow.

The Jokers are locked in a supply closet and must decide who's endured the worst punishments to escape; as they argue over physical, embarrassing, and personal punishments, old clips resurface, and tensions rise.

Unaware that Claire has a personal assistant, Phil cannot figure out how she is getting everything done; Jay and Gloria are sleep deprived as Joe goes through a fussy phase; Cam and Mitch feel they are not treated well at a friend's wedding.

Phil lies to Claire to keep her from finding out about his attractive new client; Gloria asks for Claire's help in dealing with a yoga instructor she thinks is attracted to her; Jay makes a web show; Mitch and Cam teach Lily how to ride a bike.

Phil decides he wants to take a spontaneous trip to Paris with Claire, but they are both exhausted; Jay's command of the bathroom remodel creates hazards for the rest of the family; Cam's visiting sister's emotional outbursts frustrate Mitch.

When Manny and Luke baby-sit Lily so the adults can have a day to themselves, things go awry and Claire is convinced the boys are throwing a party.

Claire and the kids hide a stray dog from Phil; even though Jay says he doesn't want new friends, Gloria invites a new couple over; Cameron rents out the upstairs apartment to a Christian rock band.

Claire is convinced there's a mole in the company; Phil confronts Auntie Alice about stealing Gloria's hot sauce recipe; Jay teaches Joe how to be a handyman.

Manny talks the family into taking the train to attend Dede's wedding; Claire and Mitchell work on a toast; Phil and Cam are excited to spot their favorite author on the train.

Claire struggles to find the right time to fire an employee; Phil thinks he caught Luke with a girl; Alex moves back in, seemingly undetected; Jay refuses to believe it might be difficult to re-enter the workforce.

The Dunphys travel to New York, while Mitch, Cam and Lily visit the Midwest, and Jay, Gloria, Manny and Joe go to Mexico; the family gets together for Father's Day.

Jay wants to make a good impression on a family moving in across the street; Manny tries to attract a radical thinker; the Dunphy family uses Alex's bout of mono to its advantage; Cam and Mitchell try to teach a message of acceptance.

Luke and Manny compete to be senior class president; Phil insists on introducing Haley to a marketing guru to help her business; Cam makes a rash decision when he finds out his star football player plans to move away.

Phil is excited when he's invited to appear in a real estate segment for the local news; Phil meets his weatherman hero, Rainer Shine; Jay tries to improve Manny's video interview for a college application.

The Dunphys try to kick-start Luke's Halloween party; Cam confronts his Halloween nemesis; Jay plans to go to a party at an old enemy's home to deliver an unforgettable trick.

Phil considers becoming a member at Jay's favorite refuge; Claire is mistaken about her influence on Alex's choices; Cam holds back on telling Mitchell what his play is really about.

Cameron spares no expense for his Thanksgiving jamboree; Hayley tells Phil she'd rather spend the holiday with her new boyfriend; Jay works to keep his blood pressure down; Alex and Dwight get closer.

Haley's day with Rainer Shine's daughter doesn't go as expected; Luke unintentionally helps Jay with his petition; Gloria, Phil and Cam have a secret meeting.

Sheldon dismantles the refrigerator to stop it from humming; he gets a paper route to pay for its repair.

Sheldon becomes jealous when Dr. Sturgis bonds with Paige, another ten-year-old genius; Mary invites Paige's family over for a playdate.

When Mary's faith is shaken by a tragedy in the community, Sheldon becomes an unlikely ally.

When George Sr. asks Sheldon to keep a secret from Mary, the stress of not being honest drives Sheldon to hide out at Tam's for his first sleepover.

Dr. Sturgis recommends Sheldon and Missy for a university research study on twins; Mary is unhappy when the test results go to Sheldon's head.

Mary clashes with Sheldon's drama teacher Mr. Lundy over plans for a Halloween haunted house fundraiser for the church; Georgie falls for a rebellious teenage girl whom Sheldon is tutoring.

Rachel discovers Ross' feelings for her when he goes out of town on a business trip.

Rachel decides to look up her former boyfriend (Cosimo Fusco) when she is distraught over Ross' new girlfriend (Lauren Tom).

While tending his son, Ross expresses his displeasure when Phoebe tastes Carol's breast milk to check the temperature.

Monica and Rachel's grumpy downstairs neighbor (Larry Hankin) dies and leaves all his belongings to the girls.

The group is amazed when Phoebe marries a Canadian ice dancer (Steve Zahn) to help him get his green card.

The group's plans of throwing a birthday party are marred when money becomes an issue; Chandler sets a woman up to get a date with her, but a case of mistaken identities means that he discovers what she really thought of him.

Joey and Chandler decide to baby-sit and use Ben as a way to pick up women; Phoebe loses her job singing at Central Perk.

A drunken Rachel leaves a phone message for Ross that may change their relationship; Chandler regrets asking Monica to help him lose weight.

Rachel sees Ross' list comparing her pros and cons to Julie's (Lauren Tom).

Phoebe, hoping for a Christmas family reunion, travels to upstate New York in search of her biological father.

After deciding to give up acting, Joey is offered a role in a soap opera; Rachel dates a guy named Russ, who is amazingly similar to Ross.

Ross helps put Carol and Susan's wedding plans back on track; Rachel's mother announces shocking new plans.

Joey starts dating a fan (Brooke Shields) who is gorgeous, but soon discovers that she's also crazy; Ross is reminded how much he misses his pet monkey and travels to the San Diego Zoo to find out what has happened to him.

Amy is caught in the middle when Penny and Sheldon get into an argument over a pre-owned chair; Leonard tries to make his long-distance relationship more exciting.

Amy and Leonard try to become better acquainted; Bernadette, Howard and Mrs. Wolowitz spend the weekend together.

Raj wants a girlfriend, so Penny introduces him to a woman he can communicate with.

Wil Wheaton invites Leonard and Sheldon to a party at his house; Howard receives an opportunity.

Sheldon finds himself competing with the gang for his mother's (Laurie Metcalf) attention when she visits.

Amy is devastated when Penny and Bernadette shop for wedding dresses without her.

Leonard and Penny spend time alone; Sheldon tries to face his fear of birds.

Sheldon is jealous when Stuart (Kevin Sussman), a guy from the comic book store, asks Amy out on a date.

Leonard must face the bully who targeted him in high school; Penny confronts her past actions.

Amy is upset with Sheldon when he isn't impressed with her recent accomplishment; Howard struggles with Bernadette's aversion to children.

Everything could change when Leonard spontaneously invites Penny to a romantic dinner.

Penny and Leonard experiment with their new relationship; Raj forms a bond with his phone's virtual assistant.

Leonard starts to reconsider his friendship with Sheldon; Wolowitz tries to choose his astronaut nickname.

Manny and Luke's efforts to put on the school's winter dance get complicated due to a texting error; Gloria, Claire, Mitchell and Cam volunteer at the dance while Jay tries to get out of it by pretending he wants to spend time with Phil.

Cam wants to throw a New Year's Day feast for the family; Phil's father arrives with his new girlfriend, who happens to be Phil's childhood baby sitter; Gloria and Jay must decide who will look after little Joe if something should happen to them.

A rude parent at Lily's dance recital makes Cam angry; Jay, Claire and Mitch go to a family wedding and encounter Dede at the reception; Phil and Gloria go on a college tour with Luke and Manny.

Phil calls upon his alter ego to inject some sizzle back into his marriage; Jay shows favoritism in his parenting; Haley and Sal try to stand up to men in their lives.

Phil talks Jay into investing in a property he has long wanted to develop; Claire's culinary ventures aren't as successful as she thinks; Cam and Mitchell try to teach Lily the value of hard work.

Phil rethinks his original dream after realizing his property investment with Jay might turn out to be a bust; Cam lands in the hospital due to a head injury; Gloria surprises Claire with a day of luxury at the office.

Storm-chasers (Helen Hunt, Bill Paxton) finalizing their divorce try to place equipment inside a tornado on the Oklahoma plains.

Storm-chasers (Helen Hunt, Bill Paxton) finalizing their divorce try to place equipment inside a tornado on the Oklahoma plains.

Carl allows Steve to decorate the Winslow house for the Christmas display contest.

Steve must learn how to ride a bike in order to go on a class trip with Myra.

Sheldon gets into trouble with fellow child genius Paige at the science museum; George Sr. is forced to play therapist to Paige's bickering parents; Mary, Georgie and Missy help Meemaw with a garage sale.

A video game takes over Sheldon and Meemaw's life; George Sr. is jealous when Georgie bonds with Herschel at the auto shop.

Sheldon studies his family for a psychology project; a Thanksgiving dinner turns into a family fight when George Sr. is offered a job in Oklahoma.

When Sheldon learns that people with stunted childhoods can turn into social outcasts, he tries to act like a kid; Meemaw and Dr. Sturgis' relationship is tested when she teaches him how to drive.

Sheldon experiments on Missy; Georgie joins Mary's bible study to spend more time with his crush, Veronica.

When Sheldon has to spend a few days in the hospital, he turns into the world's worst patient; Missy gets a taste of what life would be like without her twin.

Chandler wants his annoying new roommate (Adam Goldberg) to move out; Joey is facing some exorbitant bills; the girls learn from a book about personal empowerment.

Monica's boyfriend proves to be the life of the party when he attends a basketball game with Chandler and Joey.

Two bullies (Peter DeLuise, Nicky Katt) banish Ross and Chandler from Central Perk; Monica plays the stock market.

Rachel's separated parents (Marlo Thomas, Ron Leibman) unexpectedly attend her surprise birthday party.

Phoebe's romantic meeting with an old friend (Charlie Sheen) is stalled by a case of the chickenpox; Ben celebrates his first birthday; Monica frets about her relationship with Richard (Tom Selleck).

Claire prepares to make the Dunphy house spooky for Halloween; Cameron does not like the holiday because of a traumatic childhood experience; Jay and Manny tease Gloria about her accent.

Claire must rein in her enthusiasm for Halloween and keep her celebration kid-friendly; Phil decides to hold an open house on Halloween; Mitch and Cam have a costume party; Gloria's hormones make her more quick-tempered than usual.

When Claire lets Phil take charge of Halloween, he decides to do something different than her usual fright-fest theme; Jay wants to be Prince Charming for Halloween -- complete with a full head of hair; Cam becomes overwhelmed.

The Dunphys try to kick-start Luke's Halloween party; Cam confronts his Halloween nemesis; Jay plans to go to a party at an old enemy's home to deliver an unforgettable trick.

Phil and Claire start to question their enthusiasm for Halloween when no one else seems to feel the same; Mitch confronts Jay about how long the kitchen remodel is taking; Cam oversteps his boundaries as a house guest.

The families celebrate another epic Halloween and receive huge, unexpected news.

Phil is determined to scare Claire on Halloween; Gloria feels self-conscious about her age when someone correctly assumes she is Jay's wife; Mitch and Cam go to the WeHo Halloween Carnival after Lily decides to go to her first Halloween party alone.

Leonard, Sheldon, Wolowitz and Koothrappali attend Penny's Halloween party.

An attractive comic book artist tests Leonard and Priya's relationship; Sheldon tries to scare his friends.

The gang heads to Stuart's comic book store to celebrate Halloween; Leonard uses science to seduce Penny.

As the guys don costumes and go on a road trip to a comic book convention, the ladies decide to stay home and try to interpret a comic book.

Sheldon is faced with a new reality when he visits his mom in Houston; a murder mystery party starts arguments.

Sheldon gives spontaneity a try, which causes unexpected friction for Penny, Bernadette and Amy; Raj asks Howard for help with preparation for a date with Emily.

Penny and Sheldon design an experiment -- as a joke -- to make participants fall in love; Howard and Bernadette get into trouble at the airport.

When Wolowitz dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party; Leonard is shocked when Penny doesn't remember their first kiss.

Armed with proton packs and plenty of attitude, four women (Melissa McCarthy, Kristen Wiig, Leslie Jones, Kate McKinnon) prepare for an epic battle as mischievous ghosts start to wreak havoc in New York.

After a bad day at work, a frustrated reporter meets God, who endows him with divine powers for one week.

Armed with proton packs and plenty of attitude, four women (Melissa McCarthy, Kristen Wiig, Leslie Jones, Kate McKinnon) prepare for an epic battle as mischievous ghosts start to wreak havoc in New York.

Murr and Q are going on a trip down memory lane and watching extended never-been-seen-before clips from the last few years.

Sal, Q and Murr kick off another season of antics by getting themselves stuck in a vent system and confusing customers at a bagel shop; our losing Joker will face humiliation in a punishment that's tough to swallow.

The Jokers are back working as dry cleaners and TV producers, but one of them can't keep it together and must endure concertgoers who have escaped their enclosures.

The Jokers are locked in a supply closet and must decide who's endured the worst punishments to escape; as they argue over physical, embarrassing, and personal punishments, old clips resurface, and tensions rise.

The Jokers face off by recording voiceover for a fake video game and playing the concerned parent writing to their kid's school; but one Joker burns out with a punishment that's gotta sting.

Joey Fatone interviews the Jokers for a fake documentary; the guys react to an overly emotional phone call for an underwhelming reason; one Joker checks out and is forced into being the world's worst grocery store employee in his punishment.

The Jokers hit the grocery store aisles dressed in absurd disguises, then train someone in using aggressive phone tactics for charity donations. The losing Joker must subject themselves to scientific probing into their hidden emotions.

The Jokers can't contain the laughs as they answer survey questions for a new snack food and present the world's worst pharmaceutical ads; the loser will work up a sweat in a punishment that's all pain, no gain.

After seeing an online video of his Fizbo costume being desecrated, Cam sets out to restore the character's good name; Phil meets his soon-to-be stepbrother; Manny enlists Gloria, Claire and Haley to do a read-through of his newest play.

NBA stars Charles Barkley and DeAndre Jordan attend the charity basketball game Phil is playing in; Gloria's nemesis tries to shame her for lack of support at Manny's school; Claire tries to keep a work mistake secret from Jay.

Mitchell accidentally knocks over an urn containing the ashes of Cam's beloved pet pig, Lilly; Cam tries to catch Mitchell in a lie.

Mitch and Cam fight the effects of sleeping pills while rushing to catch a flight; Haley and Rainer re-evaluate their relationship; Phil and Claire meet Alex's new boyfriend when they pay her a surprise visit.

Rachel is a bridesmaid at her ex-fiancé's wedding; she has flashbacks of her own failed wedding day; Monica and Richard's relationship is jeopardized when the subject of children is discussed.

Monica is distraught after her break-up with Richard; Chandler and Janice begin seeing each other again; Ross tells Rachel and Chandler about his "Princess Leia" fantasy.

In a race against the clock, Ross tries to get the gang dressed and ready for a black-tie benefit at the museum.

Phoebe dates a man who thinks he's stalking her twin sister, Ursula; Ross and Rachel give Chandler "boyfriend" lessons.

Chandler tries to get over his fear of commitment; Phoebe poses as Joey's agent after she forgets to tell him about an audition.

Phoebe tries to bond with her half brother, Frank Jr., by offering to buy a massage; Ross spots Isabella Rossellini; Joey tries to build an entertainment center.

When Janice asks the gang if any of them have ever slept together, the friends flash back to three years earlier.

Joey sees Janice kissing her husband, whom she is divorcing while she dates Chandler; Rachel's father clashes with Ross.

Chandler is devastated after Joey tells him he saw Janice kissing her ex-husband; Monica accidentally bumps Ben's head into a post when she and Rachel babysit; Phoebe is paranoid if she goes to dentist someone she knows will die.

Emotions become the feast of the day when the gang plays a game of touch football on Thanksgiving; the turkey is left stewing when the losing team calls for a rematch.

After a bad day at work, a frustrated reporter meets God, who endows him with divine powers for one week.

Worlds collide when the Flash travels back in time to change the events of the past. However, when his attempt to save his family alters the future, he becomes trapped in a reality in which General Zod has returned, threatening annihilation.

Black Manta wields the power of the mythic Black Trident to unleash an ancient and malevolent force. Hoping to end his reign of terror, Aquaman forges an unlikely alliance with his brother to protect their kingdom and save the world from destruction.

Aquaman must retrieve the legendary Trident of Atlan to save the underwater city of Atlantis -- and the surface world -- from his power-hungry brother.

Attention shoppers; the Jokers make mischief by taking unflattering pictures of grocery store patrons, then posing as horrible employees at the Yeti store; tonight's loser must meat his fate in a punishment.

The Jokers pretend to be medical students in training with standardized patient actors, then play the hero and break up a public fight, hoping to earn applause; one Joker has to put his hips where his mouth is and settle a bet of his own making.

The Jokers are back working as dry cleaners and TV producers, but one of them can't keep it together and must endure concertgoers who have escaped their enclosures.

The Jokers face off by recording voiceover for a fake video game and playing the concerned parent writing to their kid's school; but one Joker burns out with a punishment that's gotta sting.

Joey Fatone interviews the Jokers for a fake documentary; the guys react to an overly emotional phone call for an underwhelming reason; one Joker checks out and is forced into being the world's worst grocery store employee in his punishment.

The Jokers hit the grocery store aisles dressed in absurd disguises, then train someone in using aggressive phone tactics for charity donations. The losing Joker must subject themselves to scientific probing into their hidden emotions.

The Jokers are locked in a supply closet and must decide who's endured the worst punishments to escape; as they argue over physical, embarrassing, and personal punishments, old clips resurface, and tensions rise.

From being overprotective parents to disclosing perplexing side effects, one Joker can't handle the challenges and will learn that all that glitters is not gold.

Q, Murr and Sal throw and catch grocery items in the Joker vs. Joker challenge with special celebrity guest, Jax.

The Jokers steal America's babies at the mall; while they lie in wait trying to succeed in an impossible task, Sal, Q and Murr hash on some never before seen clips.

Murr and Q are going on a trip down memory lane and watching extended never-been-seen-before clips from the last few years.

Sal, Q and Murr are crashing and burning into product displays and hiding in tight spaces, but one of them must face the music with celebrity guest Bret Michaels.

Rachel wonders if she'll ever get another job after she quits Central Perk; Joey's new job selling Christmas trees upsets Phoebe; Ross accidentally breaks a little girl's leg.

Ross is suspicious about Rachel's possible job offer from a good-looking stranger (Steven Eckholdt); Chandler can't remember which of Joey's many sisters he kissed at a party.

Ross becomes jealous when he hears Rachel's new co-worker (Steven Eckholdt) whispering sweet nothings to her.

Two New Yorkers accused of murder in rural Alabama while on their way back to college call in the help of one of their cousins, a loudmouth lawyer with no trial experience.

Bestowed with the almighty powers of the gods, Black Adam's unique form of justice, born out of rage, is challenged by modern-day heroes who form the Justice Society: Hawkman, Dr. Fate, Atom Smasher and Cyclone.

Aquaman must retrieve the legendary Trident of Atlan to save the underwater city of Atlantis -- and the surface world -- from his power-hungry brother.

Black Manta wields the power of the mythic Black Trident to unleash an ancient and malevolent force. Hoping to end his reign of terror, Aquaman forges an unlikely alliance with his brother to protect their kingdom and save the world from destruction.

Sheldon goes to work with Amy in her neurobiology lab when the university forces him to take a vacation; Bernadette asks Howard to sign a pre-nup.

Sheldon and his nemesis, Kripke, compete for a corner office; Penny feels uncomfortable after receiving a gift from Amy.

Sheldon's routine is turned upside down when his barber gets sick; Wolowitz questions his decision to go into space.

Sheldon chooses to participate in a guys-only weekend Star Wars gaming marathon rather than go with Amy to her aunt's birthday party; he gets a lesson from Penny and Amy.

When Penny buys Leonard and Sheldon "Star Trek" collectibles, Sheldon finds himself haunted by Mr. Spock; after a blind date, Raj believes he has met his future wife.

When Wolowitz works with Stephen Hawking, Sheldon is determined to meet the famous scientist.

Knowledge of Howard's sexual history makes Bernadette reconsider their future together.

Two New Yorkers accused of murder in rural Alabama while on their way back to college call in the help of one of their cousins, a loudmouth lawyer with no trial experience.

A newly elected congressman (Steve Carell) faces a crisis of biblical proportions when God (Morgan Freeman) commands him to build an ark.

Waldo's trip south of the border goes awry and lands him in jail.

Steve destroys Carl's garage after mistaking Laura's diet pills for vitamins.

Steve and Carl turn into dual Bruce Lees to protect themselves from thugs.

Steve gets a job at a coffee shop to help pay for repairs on the Winslows' home.

Eddie reluctantly takes ballet lessons to improve his basketball skills.

Urkel becomes a big brother to a fourth-grader who cannot read.

Sheldon attempts to build a nuclear reactor; a university cocktail party gets heated when Dr. Sturgis' colleague flirts with Meemaw; Georgie is heartbroken when he learns Veronica has a boyfriend.

Sheldon uses his new friendship with the school bully to boss Georgie around; Missy steals Meemaw's makeup for picture day.

Sheldon and Dr. Sturgis have their first fight when Dr. Sturgis marks an answer wrong on Sheldon's test; Mary takes over for Pastor Jeff when he's out sick.

Things spiral out of control when Sheldon boycotts his favorite bread company; Georgie offers Veronica a shoulder to cry on when she's dumped by her boyfriend.

Inspired by his hero, Albert Einstein, Sheldon tries his hand at the violin; Mary and Meemaw secretly buy a pregnancy test when Mary thinks she's pregnant.

Sheldon moves in with Dr. Sturgis for the weekend to see what his life will be like in college; a lonely Mary tries to bond with the other Coopers during Sheldon's absence.

Running into Richard at the video store tests Monica's willpower; Joey agrees to read "Little Women.".

Phoebe's ex-singing partner wants to make Phoebe's signature song, "Smelly Cat," a commercial success; Chandler dates a woman with a handicap.

Phoebe can't communicate with her new boyfriend, a UN diplomat who doesn't speak English; Ross seeks solace at a party after a bitter fight with Rachel.

A remorseful Ross tries to prevent Rachel from learning his disturbing secret; Monica, Phoebe, Chandler and Joey spend a night eavesdropping.

Excluded from Rachel's ski trip with her pals, lonely Ross visits his ex-wife (Jane Sibbett); Phoebe's cab runs out of gas and the stranded gang turns to Ross for help.

Phoebe's brother wants to marry a woman twice his age; Monica gets a huge tip from an admirer.

Ross is upset when Rachel returns his personal belongings and dates Mark; Monica dates a millionaire.

Monica's aunt dies and leaves her an antique dollhouse that she doesn't want Phoebe to play with; Rachel regrets making a date for Chandler and her boss, Joanna; Joey's interest in Kate intensifies.

Monica considers accepting a dream job in Pete's new restaurant but fears there is more to the deal; Ross makes a sacrifice for Rachel.

The gang goes to the opening night of Joey's plays; Rachel brings a date (Ben Stiller) to make Ross jealous; Joey's play gets terrible reviews, but his co-star provides some comfort.

Afflicted with a mysterious skin condition, Ross seeks advice from Guru Saj; Monica can't decide about Pete.

To her horror, Monica's boyfriend plans to fight; the friends are intrigued by a conversation between two strangers.

The friends stay at a beach house; Phoebe meets someone who knows details about her family; Rachel expresses her jealousy of Ross' uninhibited girlfriend.

Wedding plans are jeopardized when NASA reschedules Howard's mission; Leonard says something in the bedroom that surprises Penny.

The gang tries to help Wolowitz and Bernadette get married before the space launch.

Raj faces his loneliness when his friends are out on dates; while in space, Wolowitz gets drawn into a fight between Bernadette and his mom.

Sheldon tries to intervene when he learns that Penny is thinking about breaking up with Leonard; Howard is picked on in space by the other astronauts.

Amy feels threatened by Sheldon's new assistant; Wolowitz starts to feel the pressures of being in space.

Wolowitz's return from space isn't all he expected; game night becomes a gender war.

The gang heads to Stuart's comic book store to celebrate Halloween; Leonard uses science to seduce Penny.

A game threatens Sheldon's relationship with Stephen Hawking; Penny secretly signs up for a college class.

Bernadette wants Wolowitz to move out of his mom's house; Sheldon is caught in the middle of Amy and Wil Wheaton's argument.

Raj and Howard try to figure out why Sheldon disappears at 2:45 every afternoon; jealousy arises in Penny and Leonard's relationship.

Sheldon and Wolowitz's fight over a parking spot at the university impacts the whole gang.

When Amy gets sick, Sheldon tries to nurse her back to health; Wolowitz and his father-in-law plan a fishing trip.

During a game, Sheldon revisits Christmas memories; Amy, Penny and Bernadette look for a date for Koothrappali.

When Sheldon is accused of sexual harassment, he ends up getting Raj, Leonard and Wolowitz in trouble.

As the guys don costumes and go on a road trip to a comic book convention, the ladies decide to stay home and try to interpret a comic book.

Stan goes all out to produce a reenactment of Charles Lindbergh's solo flight for Steve's school project; Klaus buys shoes online, but they get stolen.

Hayley takes Roger to a meditation center and he quickly becomes one of the world's leading authorities on meditation; Stan and Steve are taught the art of making sushi.

Stan is embarrassed when a painting of Francine's genitals, done by a famous artist, is unveiled at the museum; Steve's libido is compromised after seeing the portrait.

Stan gets upset at the idea of becoming a grandfather after Hayley and Jeff announced they're trying to have a baby; Steve and Klaus join a drug gang.

Roger agrees to give birth to Jeff so he can be human again; Steve secretly signs Snot up for a makeover.

The Smith's rescue Steve after he's kidnapped and taken to the North Pole, where Santa Claus is using children to mine for precious stones needed for an ancient ritual.

Francine becomes less attracted to Stan when he gets involved with slot car racing; Roger becomes a stewardess to perform comedy routines on planes, but gets upset when another stewardess ends up being funnier than him.

Steve and his friends take up witchcraft to gain power and popularity at school; Stan and Klaus become obsessed with remembering '90s bands.

Klaus gets transferred into the navigation system of Stan's car when Stan refuses to pay for life-saving surgery; Steve and his friends prank Roger, who then terrorizes them for revenge.

Francine steals from the CIA and pretends to be a super villain to incite Stan to be more seductive; Roger tricks Hayley and Steve into trapping Jay Leno so he can take revenge.

Laura (Kellie Shanygne Williams) falls under a passionate spell from Steve's (Jaleel White) aphrodisiac.