Raj and Sheldon try to simulate a dark-matter research expedition; after a fight about money, Penny and Leonard turn to Bernadette and Wolowitz for advice.

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

The patrons of the community barbershop embrace Dave, much to Calvin's dismay.

Ryan winds up impressing Mike; after Mandy fails history and her laptop and cell phone are taken away, she starts using Mike's old ham radio.

When a water pipe bursts at the Johnsons' home, Calvin reluctantly agrees to help Dave repair the damage; Gemma discovers a surprising secret about her new neighbor, Tina.

Charlie jeopardizes Alan's divorce settlement by sleeping with his attorney, Laura (Heather Locklear).

When Charlie finds out that Mia is back in town, he begins to question his relationship with Chelsea; Judith is rushed to the hospital.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

A modern take on the age-old game of 20 Questions intersperses comedy with common knowledge; hosted by People's Choice Award winner Melissa Peterman.

Paid programming.

A pact with Jerry prompts George to offer former girlfriend Susan (Heidi Swedberg) a proposal; Elaine's sleep is interrupted by a barking dog.

Hosts Mario Lopez, Kit Hoover and Scott Evans and correspondent Zuri Hall take viewers behind the velvet ropes and onto the red carpet to deliver celebrity interviews and entertainment news stories in Hollywood.

The son of an outspoken critic becomes the prime suspect when the star of a controversial teen show is raped in her trailer on the set.

Actress, comic and Emmy Award-winning longtime co-host of.

Financial news, trading tips and investment ideas. Hosted by Angela Miles.

An exploration of new information in American agriculture that farmers and ranchers need to succeed.

From the deeply moving to the purely fun, the show is a daily destination for all things topical and a platform for viewers to connect with the people who are shaping the world through meaningful, engaging and entertaining conversations.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

The man on the birth certificate says he does not believe he is the father.

A woman says that her ex is the father of her daughter, while he says it's her co-worker.

The hilarious new survey game show explores answers to questions from differing perspectives; host Jaleel White.

The hilarious new survey game show explores answers to questions from differing perspectives; host Jaleel White.

Three contestants put their pop culture knowledge to the test to complete crosswords based on the iconic puzzles in People magazine.

A game show based on the iconic People Puzzler crosswords where contestants put their pop culture knowledge to the test, competing for a cash prize.

Actress, comic and Emmy Award-winning longtime co-host of.

Taking viewers through all aspects of a murder investigation.

A husband and father doesn't come home from work one day and is later found, strangled in his own car in a trailer park.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

The final three chefs must create an outstanding three-course meal in just 90 minutes.

The ladies' families visit the farms, where they meet the farmers and their families face-to-face; the farmers edge closer to making their final decision between their two remaining ladies.

Breaking news and headlines, local weather forecasts, sports and traffic reports.

The guys try to help when Penny is faced with an awkward dilemma at work; Bernadette and Amy discuss sexuality and female scientists.

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

Nothing goes as planned when Dave sets up an anniversary celebration for Gemma and Calvin; Tina baby-sits the Johnsons' son, Grover.

Mike learns that Kyle's new-found interest in philosophy is distracting him from his work; Mike worries about Boyd attending a bilingual school.

A friendly Midwesterner moves his family to a Los Angeles neighborhood next door to Calvin, who's concerned the newcomers will disrupt the culture on the block.

Charlie attempts to cure Alan of his recent bout of sleepwalking; Jake sees a therapist (Jane Lynch).

Charlie must decide between his fiancee, Chelsea, and his former girlfriend, Mia.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

This fashion-forward clue has our contestants totally out of style, but.

Paid programming.

George tries to find a way to persuade Susan (Heidi Swedberg) to postpone their wedding; Elaine's dog problem is solved by a rabbi with a cable show.

Hosts Mario Lopez, Kit Hoover and Scott Evans and correspondent Zuri Hall take viewers behind the velvet ropes and onto the red carpet to deliver celebrity interviews and entertainment news stories in Hollywood.

Detectives investigate when a baby is left abandoned with a note indicating the mother's kidnapping and quickly learn that she has been kidnapped by a copycat serial killer.

Actress, comic and Emmy Award-winning longtime co-host of.

Financial news, trading tips and investment ideas. Hosted by Angela Miles.

An exploration of new information in American agriculture that farmers and ranchers need to succeed.

Guests: Ms. Monica, Robin Roberts..

Steve Harvey hosts; two families compete to guess the answers to various surveys.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

A woman from Detroit looks for her father and hopes a DNA test will help.

A couple admit to cheating on each other.

The hilarious new survey game show explores answers to questions from differing perspectives; host Jaleel White.

The hilarious new survey game show explores answers to questions from differing perspectives; host Jaleel White.

Three contestants put their pop culture knowledge to the test to complete crosswords based on the iconic puzzles in People magazine.

Three contestants put their pop culture knowledge to the test to complete crosswords based on the iconic puzzles in People magazine.

Actress, comic and Emmy Award-winning longtime co-host of.

Taking viewers through all aspects of a murder investigation.

Taking viewers through all aspects of a murder investigation.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

From the Alamodome in San Antonio.

Breaking news and headlines, local weather forecasts, sports and traffic reports.

Sheldon feels pressured to participate in romantic traditions when the gang re-creates a high-school prom on the roof.

When the guys buy a ring from.

Unexpected revelations are in the cards during the Johnsons' first game night with the Butlers; Gemma is prompted to rectify a past wrong; Malcolm makes a play for a fresh start with his father, Calvin.

Vanessa encourages Mandy to enjoy college life and join a sorority; Ed goes under cover to investigate productivity on The Outdoor Man loading dock.

Dave earns Calvin's respect when he thwarts a robbery at the barbershop, until the recognition goes to his head and he starts exaggerating the truth; Marty invites an anxious Gemma to give his new stress-busting hobby a try.

Charlie tries to sweet talk Judith's divorcee support-group into letting Jake continue to spend weekends at his place.

Charlie regrets allowing Alan's girlfriend to move in when the bachelor pad is suddenly overrun by women.

A spoonful of confusion and a dash of panic: this refrigerated food brand has players scrambling. Watch now to see if you know what's in the fridge.

Paid programming.

Jerry is challenged when Elaine's boyfriend insists it is impossible to rent a villa in the Tuscany region of Italy.

An uncontrollable wink creates problems for George and Kramer.

Paid programming.

This magazine-style program, which premiered in 1975, focuses on news in the agriculture and agribusiness industries.

Machinery news and updates from the most trusted name in farm equipment.

Experiments people can do at home to prove the power of air pressure; Steve makes a 55-gallon steel drum implode.

Examining some of the ways scientists, students and regular citizens are working to save our Earth; creating safe havens for New Zealand's endangered species; breeding clownfish in Australia.

Emily debunks popular myths about our solar system and outer space.

Join Danni as she checks out tiny robots based on manta rays that are helping to fight heart problems, robots that are learning to run as fast as our speediest animals, and giant snake-like robots that are drawing attention to climate change.

Paid programming.

From TDECU Stadium in Houston.

From Indianapolis Motor Speedway in Indianapolis.

Paid programming.

Paid programming.

From Fenway Park in Boston.

Breaking news and headlines, local weather forecasts, sports and traffic reports.

The auditions continue with the next group to show off their culinary skills -- the home cooks.

On one of the hottest days of the year, the first responders must deal with harrowing incidents all around the city; Buck gets a surprise visit from his sister; Athena questions her relationship with Bobby; Buck worries about a handsome new hire.

When Dave's amateur band loses its lead singer just before a gig, Tina offers to fill in; Marty quickly regrets letting his needy boss crash at his new place.

Charlie must choose between his girlfriend and his housekeeper; Alan looks to sell Kandi's condo, but sex keeps getting in the way.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

Boyd finds Vanessa's ideas for the Halloween haunted house fundraiser too scary. Mike wants to help Boyd face his fears.

Paid programming.

Paid programming.

Paid programming.

Paid programming.

Paid programming.

Outdoor adventures with celebrity guests and features.

How creatures endure in environments of extreme heat; the fennec fox; the kangaroo rat; scorpions; the thorny devil lizard.

A dog named Chevy needs a brace; a test shows how much pressure dogs can put on their legs after receiving braces or prosthetics.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

Anchor Shannon Bream interviews the biggest newsmakers of the week and leads guests in providing context and analysis of the issues facing Americans.

Paid programming.

Paid programming.

Paid programming.

Paid programming.

Interviews with A-list musical artists; the latest films with a musical twist; music videos from chart-toppers.

This preview of the 109th Indianapolis 500 examines the sacrifices and risks involved in this iconic race, driving the relentless pursuit of victory on the biggest stage. One driver will cement their legacy, but all will do whatever it takes to win.

From Indianapolis Motor Speedway in Indianapolis.

The final three chefs must create an outstanding three-course meal in just 90 minutes.

When Bart and Lisa stop watching Itchy and Scratchy together, Marge fears that they'll start to drift apart.

Peter suspects Lois of betraying his trust with Quagmire at a swanky vacation resort.

Ty is tired of his family thinking he's not important enough to be assassinated.

Tina becomes the new advice columnist for the school newspaper; Teddy takes on more than he can handle when he volunteers to build a float for the Bounty of the Bay Parade.

Breaking news and headlines, local weather forecasts, sports and traffic reports.

Sheldon pushes himself to the limit when he collaborates on projects with Leonard and Wolowitz as well as Amy on the same day; Bernadette nears the end of her maternity leave and must return to work.

Howard and Bernadette struggle to leave Halley in day care; Bert introduces the gang to his new girlfriend, Rebecca.

The first responders take calls involving an unusual domestic disturbance, a.

When Dave discovers Calvin hasn't seen a physician in nearly a decade, he insists that he schedule a physical; Calvin gets more than he bargained for when Dr. Fisher insists he undergo a routine colonoscopy.

Berta learns that Alan has been dating her daughter (Sara Rue).

Steve Harvey hosts; two families compete to guess the answers to various surveys.

When Mike is reluctant to support a neighbor in her bid for the school board, he comes under suspicion when campaign signs start disappearing; Eve gets mixed messages when Kristin and Many give her advice on romance.

Paid programming.

Paid programming.

Hosts Mario Lopez, Kit Hoover and Scott Evans and correspondent Zuri Hall take viewers behind the velvet ropes and onto the red carpet to deliver celebrity interviews and entertainment news stories in Hollywood.

When a missing 16-year-old girl is found in a deserted building, she tells the skeptical detectives that three men in uniform kept her there for several days.

Actress, comic and Emmy Award-winning longtime co-host of.

Financial news, trading tips and investment ideas. Hosted by Angela Miles.

An exploration of new information in American agriculture that farmers and ranchers need to succeed.

From the deeply moving to the purely fun, the show is a daily destination for all things topical and a platform for viewers to connect with the people who are shaping the world through meaningful, engaging and entertaining conversations.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

Two women want to prove that a guest fathered their children one month apart.

A woman has her ex-husband and her current boyfriend tested to determine the paternity of her child.

The hilarious new survey game show explores answers to questions from differing perspectives; host Jaleel White.

The hilarious new survey game show explores answers to questions from differing perspectives; host Jaleel White.

Three contestants put their pop culture knowledge to the test to complete crosswords based on the iconic puzzles in People magazine.

Three contestants put their pop culture knowledge to the test to complete crosswords based on the iconic puzzles in People magazine.

Actress, comic and Emmy Award-winning longtime co-host of.

After a popular real estate agent vanishes while showing a property, police track mysterious text messages coming from her cell phone.

Taking viewers through all aspects of a murder investigation.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

A thrilling.

Family members of the victim, Flash Shelton, also known as.

Breaking news and headlines, local weather forecasts, sports and traffic reports.

Leonard has minor surgery on his nose, causing Sheldon to overreact; Bernadette and Howard work on their marriage.

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

Calvin reluctantly agrees to let Marty create a website for his auto shop in hopes of drumming up more business; Dave makes it his mission to prove to his son that there's more to life than his favorite gadgets.

When Eve's neighbor beats her to starting her annual snow shoveling business, Mike gives her a lesson on capitalism and the free market.

When Dave accidentally knocks out the Butlers' power during a heat wave, Calvin and Tina spend the night at the Johnsons' home; Malcolm has some fun at Marty's expense when he crashes at his little brother's refurbished apartment.

A pregnancy scare has Charlie heading to the doctor for a vasectomy.

Alan cares for Judith's baby and her tipsy mother; Jake uses an incriminating picture to blackmail Charlie.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

A modern take on the age-old game of 20 Questions intersperses comedy with common knowledge; hosted by People's Choice Award winner Melissa Peterman.

Paid programming.

George tries to conceal his ATM code from his fiancee, Susan (Heidi Swedberg); Elaine is intrigued by a man she met at a party.

Hosts Mario Lopez, Kit Hoover and Scott Evans and correspondent Zuri Hall take viewers behind the velvet ropes and onto the red carpet to deliver celebrity interviews and entertainment news stories in Hollywood.

When a missing 5-year-old boy is found dead, suspicion falls on his unstable 13-year-old neighbor, whose mental problems began after he was abused at a camp recommended by the dead child's father.

Actress, comic and Emmy Award-winning longtime co-host of.

Financial news, trading tips and investment ideas. Hosted by Angela Miles.

An exploration of new information in American agriculture that farmers and ranchers need to succeed.

From the deeply moving to the purely fun, the show is a daily destination for all things topical and a platform for viewers to connect with the people who are shaping the world through meaningful, engaging and entertaining conversations.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

A woman wants to know if her recently deceased son was a baby boy's father.

A woman who admits to being intimate with three co-workers wonders which is the father of her newborn son.

The hilarious new survey game show explores answers to questions from differing perspectives; host Jaleel White.

The hilarious new survey game show explores answers to questions from differing perspectives; host Jaleel White.

Three contestants put their pop culture knowledge to the test to complete crosswords based on the iconic puzzles in People magazine.

Three contestants put their pop culture knowledge to the test to complete crosswords based on the iconic puzzles in People magazine.

Actress, comic and Emmy Award-winning longtime co-host of.

A young single mother disappears one night and is eventually found strangled in a storage unit; Police learn that she was heavily involved in online dating and had a volatile relationship with one man.

Taking viewers through all aspects of a murder investigation.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

As Thony fights to save a life, she finds herself caught between two men and the ghosts of their pasts; Jorge's relentless pursuit of vengeance blinds him to the truth.

When a brewery foreman is kidnapped after arguing with his CEO over safety violations, MPU finds evidence that suggests that the victim was taken by competitors over a stolen beer formula.

Breaking news and headlines, local weather forecasts, sports and traffic reports.

Sheldon says goodbye to Fun With Flags; Howard, Leonard and Raj look through their dead professor's research; Bernadette learns her co-workers' true feelings.

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

When a curmudgeonly resident who has few fans in the community passes away, the Butlers step up to host a memorial; Calvin learns something unexpected about himself.

Vanessa feels guilty after encouraging Mandy to end things with Kyle, so she decides to try to make things right.

When Grover gets into a fight with a bully at school, Gemma is torn between her role as principal and wanting to protect her son; Calvin encourages Marty to stand up to his own bully, only to be shocked when he learns who it is.

Alan learns that Charlie belongs to an exclusive men's group, and he begs his brother to let him join.

Alan takes a job working for Evelyn; Charlie must mend Chelsea and Jake's rocky relationship.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

A modern take on the age-old game of 20 Questions intersperses comedy with common knowledge; hosted by People's Choice Award winner Melissa Peterman.

Paid programming.

The swimming pool maintenance man (Carlos Jacott) at Jerry's health club is convinced he is Jerry's best friend.

Hosts Mario Lopez, Kit Hoover and Scott Evans and correspondent Zuri Hall take viewers behind the velvet ropes and onto the red carpet to deliver celebrity interviews and entertainment news stories in Hollywood.

The detectives investigate a man whose 12-year-old wife is hospitalized with pregnancy complications, and they learn that he is the leader of a cult.

Actress, comic and Emmy Award-winning longtime co-host of.

Financial news, trading tips and investment ideas. Hosted by Angela Miles.

An exploration of new information in American agriculture that farmers and ranchers need to succeed.

From the deeply moving to the purely fun, the show is a daily destination for all things topical and a platform for viewers to connect with the people who are shaping the world through meaningful, engaging and entertaining conversations.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

A woman wants to know whether the father of her baby is her husband or her lover.

A woman says two men have failed paternity tests for her son and wants to test a third in hope that she has located her 4-year-old's father.

The hilarious new survey game show explores answers to questions from differing perspectives; host Jaleel White.

The hilarious new survey game show explores answers to questions from differing perspectives; host Jaleel White.

Contestants put their pop culture knowledge to the test, competing for a cash prize.

Three contestants put their pop culture knowledge to the test to complete crosswords based on the iconic puzzles in People magazine.

Actress, comic and Emmy Award-winning longtime co-host of.

A retired wife is found dead by her husband in their home; police suspect an accidental overdose.

Taking viewers through all aspects of a murder investigation.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

Teams compete to match answers of nationwide surveys.

Eight pairs of home cooks go head-to-head fighting to win legendary white aprons.

In his first mission, Gordon spies on Parthenon, a beloved family-run Greek restaurant in Washington, D.C.; Gordon's assignment is to embolden the owner to modernize and pass the torch of his nearly four-decade legacy to his son.

Breaking news and headlines, local weather forecasts, sports and traffic reports.

When the guys agree to do something the girls like, Sheldon and Leonard end up having a confrontation.

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

When Calvin and Dave's college basketball teams go head-to-head, Dave surprises the Butlers with tickets to the game; a friend from Michigan visits and reveals surprising new details about Dave.

Mandy arranges a holiday surprise for the family's housekeeper; Vanessa gives Boyd an elf doll and tells him it's magical.

When Tina decides it's time to make home improvements, Dave volunteers to repaint the Butler house, violating Calvin's.

Judith is dating Jake's pediatrician (Ryan Stiles), and Alan is upset until Charlie points out that if she remarries, his alimony payments will end.

After they embarrass him in public, Jake refuses to stay with Charlie and Alan.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

A modern take on the age-old game of 20 Questions intersperses comedy with common knowledge; hosted by People's Choice Award winner Melissa Peterman.

Paid programming.

Elaine realizes that the manufacturer of her birth control device has gone out of business and its product is in limited supply.

Hosts Mario Lopez, Kit Hoover and Scott Evans and correspondent Zuri Hall take viewers behind the velvet ropes and onto the red carpet to deliver celebrity interviews and entertainment news stories in Hollywood.

A professor (Billy Campbell) accused of sexual assault volunteers to submit a DNA sample for testing, but the case turns into a he-said, she-said standoff.

Actress, comic and Emmy Award-winning longtime co-host of.

Financial news, trading tips and investment ideas. Hosted by Angela Miles.

An exploration of new information in American agriculture that farmers and ranchers need to succeed.

From the deeply moving to the purely fun, the show is a daily destination for all things topical and a platform for viewers to connect with the people who are shaping the world through meaningful, engaging and entertaining conversations.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

A woman is devastated when her father doubts her paternity.

A former blackjack dealer admits that she has cheated but insists that her husband is the father of her baby, despite his vasectomy.

The hilarious new survey game show explores answers to questions from differing perspectives; host Jaleel White.

The hilarious new survey game show explores answers to questions from differing perspectives; host Jaleel White.

Three contestants put their pop culture knowledge to the test to complete crosswords based on the iconic puzzles in People magazine.

Three contestants put their pop culture knowledge to the test to complete crosswords based on the iconic puzzles in People magazine.

Actress, comic and Emmy Award-winning longtime co-host of.

A 59-year-old man who had recently lost his wife is discovered dead by a close friend; police discover the lonely widower had met a new woman on Craigslist.

Taking viewers through all aspects of a murder investigation.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

The families make their final visits and each farmer chooses a wife.

Breaking news and headlines, local weather forecasts, sports and traffic reports.

When the guys agree to do something the girls like, Sheldon and Leonard end up having a confrontation.

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

When Gemma decides to fire a teacher at her school, she's unprepared for the aftermath; Calvin gets a surprise when he faces off with his newspaper carrier.

Mike and Ryan vehemently disagree when a school counselor suggests that Boyd start ADHD medication; Mandy tries to get good grades.

Dave is eager to take on a bigger role in the community and prove himself to Calvin; Calvin's reaction makes it clear that, while the relationship between the two families has grown, the friendship between Calvin and Dave needs more time.

Charlie tries to save Jake from school suspension by romancing his teacher, but the results are unfortunate.

Alan suggests that Chelsea get breast-reduction surgery, and Charlie kicks him out.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

One iconic line has everyone guessing shows, stars and total nonsense; it turns out that quoting TV is harder under pressure!

Paid programming.

Jerry must choose between his girlfriend (Alexandra Wentworth) and a bowl of soup when a vendor (Larry Thomas) refuses to serve her.

Hosts Mario Lopez, Kit Hoover and Scott Evans and correspondent Zuri Hall take viewers behind the velvet ropes and onto the red carpet to deliver celebrity interviews and entertainment news stories in Hollywood.

Benson and Stabler must rely on a psychiatrist (Mary Stuart Masterson) and her schizophrenic patient to find the man behind a number of assaults on the Upper West Side.

Actress, comic and Emmy Award-winning longtime co-host of.

Financial news, trading tips and investment ideas. Hosted by Angela Miles.

An exploration of new information in American agriculture that farmers and ranchers need to succeed.

From the deeply moving to the purely fun, the show is a daily destination for all things topical and a platform for viewers to connect with the people who are shaping the world through meaningful, engaging and entertaining conversations.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

A man thinks another man may be the father of his ex's son.

A woman does not believe that her murdered son was the father of his secret girlfriend's child.

The hilarious new survey game show explores answers to questions from differing perspectives; host Jaleel White.

The hilarious new survey game show explores answers to questions from differing perspectives; host Jaleel White.

Three contestants put their pop culture knowledge to the test to complete crosswords based on the iconic puzzles in People magazine.

Three contestants put their pop culture knowledge to the test to complete crosswords based on the iconic puzzles in People magazine.

Actress, comic and Emmy Award-winning longtime co-host of.

When a reporter for the Pensacola News and Journal goes missing, detectives theorize his work has something to do with his mysterious disappearance.

Taking viewers through all aspects of a murder investigation.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

From The Dome at America's Center in Saint Louis, Mo.

Breaking news and headlines, local weather forecasts, sports and traffic reports.

Sheldon and Leonard must defend themselves from an online bully's criticism after they co-publish a paper; Bernadette, Penny and Amy confront embarrassing moments during a girls night.

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

When Gemma has her car repaired at Calvin's shop, Tina insists she doesn't need to pay for the work, to Calvin's consternation; Malcolm and Marty find themselves on the same dating app and vie for the same woman's attention.

Speculation begins when a bouquet of roses is delivered anonymously to the Baxter household; Vanessa is disappointed with the gift she receives from Mike.

Dave is thrilled when Calvin invites him to go golfing, confident that it represents progress in their relationship; Gemma and Tina team up to pull off an unforgettable surprise for Malcolm, Marty and Grover.

Charlie's mother, Evelyn, asks to borrow his Mercedes so she can impress a Saudi prince who she wants to buy real estate.

Charlie and Alan go out drinking when a date is finally set for the wedding; they are horrified when they wake up to find a strange woman in their bed.

A superhero clue shines a light on everyone's comic book confusion. Does anyone power up their trivia skills in time?

Paid programming.

A loaf of rye bread becomes a point of contention when George's and Susan's parents have dinner together.

Hosts Mario Lopez, Kit Hoover and Scott Evans and correspondent Zuri Hall take viewers behind the velvet ropes and onto the red carpet to deliver celebrity interviews and entertainment news stories in Hollywood.

Lloyd Braun (Matt McCoy) gets Jerry packs of a special brand of Chinese gum; George runs into a former neighbor.

Paid programming.

This magazine-style program, which premiered in 1975, focuses on news in the agriculture and agribusiness industries.

Machinery news and updates from the most trusted name in farm equipment.

Steve supersizes his Mentos stunt with 100 soda bottles; experiments revealing the secrets of soda.

How researchers at Carnegie Mellon University use cutting-edge science to measure air quality; a boulder field where the rocks make a unique ringing sound; how sustainable farming practices can positively impact inner city gardens.

Emily explores spacecraft that have been lost in space.

Mother Nature revamps some of our favorite sports; roller skates' reinvented wheels are inspired by how snakes and fish move; a workout mimics the physiology of little kids; a basic component in plants helps divers see more clearly underwater.

Paid programming.

Paid programming.

Three of the sport's greatest battle for history, as the racing series embarks on a new and transformative era.

From Thunderbowl Lanes in Allen Park, Mich.

From Snapdragon Stadium in San Diego.

From Citi Field in Flushing, N.Y.

Breaking news and headlines, local weather forecasts, sports and traffic reports.

It's the final round of auditions, where eight professional chefs must impress the judges in order to advance to the next stage.

Maddie goes on a ride-along with Athena; Hen must figure out how to save her family from permanently falling apart; the first responders deal with emergencies both at a military funeral and a movie theater.

Calvin reluctantly invites Dave to join his guys' night at home with Malcolm and Marty; Gemma and Tina take their first girls' trip to Vegas and find themselves unexpectedly in the spotlight.

When Jake tells Charlie and Alan that he often overhears Judith and Herb (Ryan Stiles) making out, it triggers a repressed memory for Charlie.

Steve Harvey hosts; two families compete to guess the answers to various surveys.

After Mandy shows off her clothing designs at a student fashion show, she announces her plan to quit school and start her career.

Paid programming.

Paid programming.

Paid programming.

Paid programming.

Paid programming.

Outdoor adventures with celebrity guests and features.