While reviewing a series of child abductions and murders, the team realizes that one of the cases may not actually be the work of the person charged.

A serial killer (Alex O'Loughlin) sends the team a videotape, detailing one of his crimes and asking them to help him stop his murderous ways.

The team suspects that a series of vehicular homicides may be the work of a serial killer.

The team searches for the source of a toxic substance that is released into the public.

The team searches for a border-crossing serial killer who targets prostitutes and the homeless.

The team searches for a border-crossing serial killer who targets prostitutes and the homeless.

In southeast Alaska, there's an ice-bound Eden that harbors possibly the richest temperate rainforests of all.

The Namib Desert is one of the oldest deserts of all; it's also one of the most diverse; with 50-degree temperatures and half a millimetre of rainfall annually.

Borneo is the richest rainforest island of all; home to 40,000 species of plants and animals, 6,000 of them are unique, and more are discovered almost daily.

At the far tip of South America lies a magical realm that seems frozen in time; known as "the end of the world", this is Patagonia.

A retired fighter pilot (Louis Gossett Jr.) helps an Air Force brat (Jason Gedrick) free his father with two borrowed F-16s.

The son of an honest bus driver looks up to a local mob boss amid racial tension in the 1960s New York.

In the 1960s Oklahoma a sensitive youth gets in over his head when his best friend kills a member of a rival gang.

A boy (Wil Wheaton) and his three buddies set out in the summer of 1959 on a hike to find a dead body.

A storybook stable boy turns pirate and rescues his beloved, who is about to marry a dreadful prince.

The Sherwood Forest archer (Cary Elwes) leads his melting pot of outlaws against Prince John (Richard Lewis) and the Sheriff of Nottingham (Roger Rees).

The NCIS team must learn to work without Gibbs, who has retired; Ziva witnesses a political assassination and the FBI wants her.

NCIS temporarily reinstates Gibbs when an escaped convict threatens his friend's life.

While searching the abandoned and bloody car of a missing Navy lieutenant, the team learns she had been profiling men to find the perfect mate.

The team is called to the scene of the murder of a petty officer who was part of an undercover arms operation.

The team investigates the death of a missing lance corporal, whose body was buried in the backyard of a vacant house and then exhumed.

The NCIS team investigates when a Marine is attacked in his home and his daughter is kidnapped on Halloween; Abby's Halloween costume leaves McGee and Tony speechless.

Cop Stooges meet an explosive gorilla.

Skeletal remains found at the bottom of a lake turn out to be those of a congressman's former aide.

When Dr. Brennan uncovers the identity of a man killed while driving a car registered to a prominent Middle Eastern man with ties to the U.S. government, she and Booth find themselves tracking a terrorist.

The decaying corpse of the Venezuelan ambassador's son is found hanging from a tree.

Brennan and Booth travel to Washington state to determine how a human arm ended up in the stomach of a black bear.

Brennan identifies remains of a 6-year-old boy who went missing from a local park and determines that he was sexually assaulted before being murdered.

Angela and Brennan are caught in a melee at a hip-hop club, when a wall breaks open and reveals a mummified corpse and a stash of drugs.

A storybook stable boy turns pirate and rescues his beloved, who is about to marry a dreadful prince.

The Sherwood Forest archer (Cary Elwes) leads his melting pot of outlaws against Prince John (Richard Lewis) and the Sheriff of Nottingham (Roger Rees).

The death of a disabled teenage boy raises questions about whether a suspected killer was motivated by mercy or something more sinister.

Schiff's re-election may hinge on the stabbing death of a police officer; Briscoe's daughter is arrested for dealing drugs.

Detectives Briscoe and Curtis take on a double shooting case; McCoy and Ross prosecute the alleged gang rape of a girl with disabilities.

When a well-known law professor is killed while being chased by a tabloid journalist, the victim's husband tries to keep family secrets out of the press.

Opponents of Adam Schiff question the handling of a sexual-assault case by the police and the D.A.'s office.

The investigation into a girl's death reveals secrets the adoptive family was desperately trying to hide.

Detectives discover a shocking twist involving unlikely suspects when they investigate the brutal beating of a black man dumped near the highway.

A robbery/assault victim feeds the police half-truths leading to the discovery of the cold-blooded murder of a young girl.

The death of a boy from an injection of a lethal flu sends detectives Briscoe and Curtis and prosecutors McCoy and Carmichael after the murderer.

A serial killer confesses to new crimes, and McCoy and Carmichael face a moral dilemma when they learn they have the wrong man.

The death of a female embryologist at a fertility clinic leads Briscoe and Curtis on a search for a desperate killer.

The shooting death of a young escort prompts an investigation into high society in New York, while McCoy and Carmichael track down career criminals.

The murder of a corrections officer leads detectives to a women's prison where a guard was linked to an inmate Carmichael put away on drug charges.

Primates are intelligent, capable of problem solving, communicating and social interaction.

An amazing look at the annual return of millions of salmon to the streams where they were born; the survival of North American grizzly bears depends on this natural event.

The trees of the Taiga forest; giant sequoia, the largest living thing on the planet.

Spring's arrival across Africa reveals the life-giving gifts in the continent's plant and animal life; a close-up look at African animal families raising their young and their emergence into the wider world.

Àngels Barceló shows us how spring comes to our planet, from bear cubs to flowers in the desert. In addition, we discovered how animals face the challenges of this season.

More than any other continent, North America is defined by extreme weather and seasonal change; for animals that live here this poses great challenges, but for those with a pioneering spirit it can also offer great rewards.

Grasslands cover one quarter of all land and support the greatest gatherings of wildlife on Earth, but hostile seasons pose a survival risk.

The descent of rivers from their mountain sources to the sea.

At the top of the planet lies the Arctic Ocean; after four months of winter darkness, the sun returns to reveal a frozen ocean covered in ice; mother polar bears emerge from their hillside dens and lead their cubs down to the sea ice to hunt.

Spring in the polar regions; the greatest seasonal transformation of the planet begins with the return of the sun.

An English commoner (Heath Ledger) dons the armor of a dead jouster and, with the help of friends (Mark Addy, Paul Bettany, Alan Tudyk), competes against nobles in 14th-century France.

Lt. Joe Leaphorn and Sgt. Jim Chee search for a runaway boarding school student; Manuelito considers returning to the NTP; a menacing killer comes to the reservation in search of a target close to the investigation.Guests: Sarah Luther, Natalie Benally, Wade Adakai, Ernest Tsosie, Avery Hale, Bill Doyle, Edita Brychta, Angelina LookingGlass, Melissa Chambers, J.D. Garfield, A Martinez, Linda Hamilton..

Leaphorn, Chee, and Manuelito uncover new clues to the missing girl's whereabouts in the wake of a deadly shooting.Guests: DezBaa', Avery Hale, Melissa Chambers, J.D. Garfield, Kevin Owen McDonald..

Leaphorn tracks the killer and discovers that he's the object of her dangerous obsession; Chee contemplates his future with Manuelito and the NTP while they investigate new leads; Billie faces an uncertain future.

Leaphorn, Chee and Manuelito search for Billie in Los Angeles; Chee is confronted by memories of his past while Leaphorn reconnects with Emma; Vaggan returns to the hunt when she learns that Billie is in town looking for her remaining family.

Leaphorn and Manuelito assist the FBI with an investigation in exchange for information on a new lead; Chee goes undercover to get intel on Billie's cousin; Billie makes a life-changing discovery.

An English commoner (Heath Ledger) dons the armor of a dead jouster and, with the help of friends (Mark Addy, Paul Bettany, Alan Tudyk), competes against nobles in 14th-century France.

Isolated for millions of years, Australia has a variety of unique animals, including the most dangerous bird in the world, kangaroos, wombats, koalas and predators.

The Stooges are mistaken for as professors at Mildew College.

An amazing look at the annual return of millions of salmon to the streams where they were born; the survival of North American grizzly bears depends on this natural event.

The trees of the Taiga forest; giant sequoia, the largest living thing on the planet.

Spring's arrival across Africa reveals the life-giving gifts in the continent's plant and animal life; a close-up look at African animal families raising their young and their emergence into the wider world.

Àngels Barceló shows us how spring comes to our planet, from bear cubs to flowers in the desert. In addition, we discovered how animals face the challenges of this season.

More than any other continent, North America is defined by extreme weather and seasonal change; for animals that live here this poses great challenges, but for those with a pioneering spirit it can also offer great rewards.

Grasslands cover one quarter of all land and support the greatest gatherings of wildlife on Earth, but hostile seasons pose a survival risk.

The descent of rivers from their mountain sources to the sea.

At the top of the planet lies the Arctic Ocean; after four months of winter darkness, the sun returns to reveal a frozen ocean covered in ice; mother polar bears emerge from their hillside dens and lead their cubs down to the sea ice to hunt.

Spring in the polar regions; the greatest seasonal transformation of the planet begins with the return of the sun.

Disgraced Secret Service agent Mike Banning finds himself trapped inside the White House in the wake of a terrorist attack and works with national security to rescue the President from his kidnappers.

In London for the Prime Minister's funeral, Mike Banning is caught up in a plot to assassinate all the attending world leaders.

A defense attorney hires an enigmatic ex-Army investigator to tackle the case of a highly trained sniper who apparently murdered five people at random.

Disgraced Secret Service agent Mike Banning finds himself trapped inside the White House in the wake of a terrorist attack and works with national security to rescue the President from his kidnappers.

In London for the Prime Minister's funeral, Mike Banning is caught up in a plot to assassinate all the attending world leaders.

Deserts sit side-by-side in the southwest corner of Africa, and in spite of the lack of water, they are teeming with life.

In the constantly changing climate of East Africa, creatures must be able to deal with unpredictable elements.

Even though the population is increasing, Africa has not lost its largest animals; learning lessons about preserving species.

The vast wilderness of the Sahara desert, in the northern part of the continent, is the toughest part.

Two ocean currents sweep around and shape the continent's Great Cape; Southern Africa is a riot of life and color.

Alan finds that he has more in common with Jake's teacher than with Kandi; Charlie helps Jake prepare a song for his audition for the school musical.

Charlie and Alan help Jake prepare for his first boy-girl party.

Charlie's former girlfriend (Emmanuelle Vaugier) returns with an unexpected request.

Charlie and Mia plan their wedding despite complications on both sides of the family.

Charlie returns to his bachelor lifestyle; Alan breaks down following his second divorce.

Charlie tells Alan the truth about his breakup with Mia; a famous neighbor (Steven Tyler) causes trouble.

Charlie is convinced he saw his late father while having a near-death experience.

After their split, Alan wants to gain custody of his and Kandi's dog.

Herb and Jake's relationship threatens wedding plans with Judith; Alan and Charlie take action to try to help Herb and Jake bond.

A pacifist farmer (Mel Gibson) of South Carolina reluctantly joins the Revolutionary War and fights alongside his son (Heath Ledger).

A defense attorney hires an enigmatic ex-Army investigator to tackle the case of a highly trained sniper who apparently murdered five people at random.

While on a tour of the White House with his young daughter, a Capitol policeman springs into action to save his child and protect the president from a heavily armed group of paramilitary invaders.

Detectives feel a woman is withholding information when they probe the murder of her wealthy husband and very young daughter.

Evidence points Detectives Briscoe and Curtis in the direction of a fascist youth gathering after the brutal beating and murder of a high-school girl.

A shooting sends police divers into the Hudson River where they find a VW bus linked to a murder case closed in the 1960s during student uprisings.

Discovery of a parolee's corpse in a car trunk sends detectives after a suspect that bounty hunters also want, dead or alive.

Briscoe and Curtis probe the murder of a popular Harlem community leader; McCoy and Carmichael struggle to prevent a chaotic situation.

Discovery of a corpse in Battery Park reunites squads when the victim turns out to be a Baltimore official. (Concluding on "Homicide: Life on the Street.").

Briscoe and Curtis investigate the death of a girl who managed to die, unnoticed, amid the hustle and bustle of an ER's waiting room.

Brennan and Booth race the clock to tie up loose ends before the defendant in Booth's first FBI case is executed for the crime.

A girl's decomposed remains are found in a refrigerator, leading Brennan to confront her former mentor.

While trying to identify remains from the 1950s, Zack cuts into a bone and accidentally releases deadly fungus spores, causing the whole team to be quarantined in the lab over Christmas.

Extensive plastic surgery hides the identity of a body whose parts were found near an airport.

When a woman's burned body is found in a car with evidence that her child was kidnapped, Brennan and Booth's investigation leads to a suspect who is in the Witness Protection Program.

In 2009, Somali pirates storm a U.S. container ship and hold Capt. Richard Phillips and his crew captive.

While on a tour of the White House with his young daughter, a Capitol policeman springs into action to save his child and protect the president from a heavily armed group of paramilitary invaders.

Earth's billions of inhabitants are unaware that the planet has an expiration date. With the warnings of an American scientist, world leaders begin secret preparations for the survival of select members of society.

After the world's great cities fall, a Marine staff sergeant (Aaron Eckhart) and his platoon make a last stand against alien invaders.

Briscoe and Curtis investigate a possible homicide while probing the assault of a retired divorce attorney.

Briscoe and Curtis investigate the murder of a police officer who was shot while on an undercover stakeout.

Detectives link the shooting of an investigative reporter to a sensationalized murder case, closed 20 years earlier.

Family secrets unravel when detectives look for motives for a college professor being thrown into the path of a subway train.

Briscoe and Curtis investigate a corporate mogul's death, caused by an overdose of a drug that enhances sexual performance.

When the murder of an audio-system installer links to the mob, McCoy's office must ensure witnesses' safety.

Briscoe and Curtis investigate the death of a promising mathematician who was involved in a turbulent relationship with a college professor.

The team helps a Southern minister (John Amos) break a ring selling poisonous moonshine; guests Bo Hopkins, Tracy Reed.

The team fights robbers, led by a bandit (Jeannie Wilson), who ambush tour buses leaving a run-down Nevada casino.

The team investigates a used-car dealer (Dennis Franz) marketing stolen auto parts.

The team rescues an heiress (Lori Lethin) from terrorists, only to have her insist on returning to save her terrorist lover.

Mercenaries capture B.A., Face and Murdock, and hold them at a dairy farm, leaving Tawnia and Hannibal to devise a rescue.

The team abides by a cult's nonviolent philosophy to defeat corrupt townspeople who burned their community building.

Earth's billions of inhabitants are unaware that the planet has an expiration date. With the warnings of an American scientist, world leaders begin secret preparations for the survival of select members of society.

After the world's great cities fall, a Marine staff sergeant (Aaron Eckhart) and his platoon make a last stand against alien invaders.

A subway dispatcher (Denzel Washington) calls on his extensive knowledge of the transit system to outwit hijackers who are threatening to kill passengers unless a ransom is paid.

In 1992 Bogotá, a little girl watches crime lord Don Luis and his henchman Marco murder her parents. Fifteen years later, the now-grown Cataleya, who is named for a Colombian orchid, works as a contract killer for her Chicago-based uncle.

The BAU investigates when a prisoner escapes and starts leaving behind victims with his unique trademark; the team gets to know its newest member.

When a murder victim is discovered in San Diego and another is found in Los Angeles, the team thinks a murderous duo is responsible.

When one Kansas family goes missing and another one turns up dead, the team looks for a link between the cases; Beth has surprising news for Hotch.

The BAU team pursues an amateur surgeon who amputates limbs from his victims; Reid's calls to a mystery woman create intrigue.

When four men from Oregon go missing, the team looks for a common link; J.J. is upset when her son doesn't want to celebrate Halloween.

The team searches for a killer in Miami who started out slaying animals and then quickly progressed to murdering prostitutes; Morgan asks Reid to join the bureau softball team.

The team travels to Santa Monica when burned bodies start showing up on a pier; Rossi gets together with his former Marine sergeant from Vietnam.

Over the summer, Yellowstone has flourished - in late August there are more living things here than at any other time of the year. But winter is around the corner and there are just two months for all Yellowstone's animals to get ready or get out.

As we follow the grip of winter over the course of six freezing months, we chart the fortunes of Yellowstone's wildlife in a finely balanced fight to survive.

As the spring melts the winter snow, the herds of elk, pronghorn and bison return from their winter feeding grounds to take advantage of America's richest natural grasslands.

Survivors (Woody Harrelson, Jesse Eisenberg, Emma Stone) of a zombie apocalypse use creative means to dispatch the undead as they make their way toward a rumored safe haven in Los Angeles.

Roland Deschain (Idris Elba), the last Gunslinger, must prevent the Man in Black (Matthew McConaughey) from toppling the Dark Tower, the key that holds the universe together.

A subway dispatcher (Denzel Washington) calls on his extensive knowledge of the transit system to outwit hijackers who are threatening to kill passengers unless a ransom is paid.

In 1992 Bogotá, a little girl watches crime lord Don Luis and his henchman Marco murder her parents. Fifteen years later, the now-grown Cataleya, who is named for a Colombian orchid, works as a contract killer for her Chicago-based uncle.

Ten years after his wife and child die in a home invasion, a man carries out an elaborate plot against the prosecutor who cut a deal with one of the killers.

Recruited by Matt Graver, FBI agent Kate Macer joins a task force for the escalating war against drugs. Led by the intense Alejandro, the team travels back-and-forth across the U.S.-Mexican border, using one cartel boss to flush out a bigger one.

Gibbs' team works with the Army Criminal Investigative Unit to investigate a suspected terrorist attack that killed a Marine colonel at a military country club.

Suspicious activity surrounds a decorated Marine veteran's death, leading the NCIS team to try to clear his name.

McGee takes things into his own hands, forgoing NCIS procedure, when his sister arrives on his doorstep, bloodied and confused.

The NCIS team joins forces with the FBI when a burned and mummified body found in a furnace turns out to be that of a serial killer the FBI had been chasing for more than a decade.

A highly classified robotic vehicle causes the death of a Navy lieutenant working on a high-level project for the Department of Defense; Tony's secretive trips to the hospital worry Ziva.

The team battles local biases when it investigates the murder of a high-level Marine intelligence officer found in a small-town motel room.

The grassland of the Serengeti is home to herbivores in Africa.

Find out why a much-loved dolphin has started breaking people's bones, and why a caterpillar wears a hat made out of its own spare heads.

Survivors (Woody Harrelson, Jesse Eisenberg, Emma Stone) of a zombie apocalypse use creative means to dispatch the undead as they make their way toward a rumored safe haven in Los Angeles.

Roland Deschain (Idris Elba), the last Gunslinger, must prevent the Man in Black (Matthew McConaughey) from toppling the Dark Tower, the key that holds the universe together.

Ten years after his wife and child die in a home invasion, a man carries out an elaborate plot against the prosecutor who cut a deal with one of the killers.

Recruited by Matt Graver, FBI agent Kate Macer joins a task force for the escalating war against drugs. Led by the intense Alejandro, the team travels back-and-forth across the U.S.-Mexican border, using one cartel boss to flush out a bigger one.

Briscoe and Curtis become entangled in the Russian mafia while investigating two murders with a speechless child as the only witness.

McCoy must link jailed Russian mob suspects to money laundering and murder before their release on technicalities.

McCoy aims to prosecute both the suspect and the gun manufacturer after a shooting spree in Central Park kills 15 people.

The detectives suspect a 10-year-old girl is responsible for the death of a boy at a construction site.

A judge maintains her husband's innocence after a botched murder attempt leaves her mortally wounded.

A scandal involving two wealthy families threatens McCoy and Carmichael's chances of a conviction in the murder of a drug-addicted girl of 15.

McCoy opposes his former colleague, Jamie Ross, in the murder of another attorney for which a man may be wrongly convicted.

Briscoe, resentful at being second-guessed by fellow officers, feuds with Green over an exasperating murder case.

Even with key DNA evidence, a new witness jeopardizes the conviction of a man suspected of bludgeoning a woman into a coma.

Briscoe and Green think a life insurance salesman's valuable information about his policies was a motive for his murder.

Briscoe and Green track a gigolo and con artist who is suspected of murder, but they run into problems when McCoy and Carmichael interview a victim's family.

When a teenager is found murdered, Detectives Briscoe and Green suspect a school bully who displays an avid interest in martial-arts weapons.