The beating death of a stockbroker causes a battle of epic proportions between the victim's family and the faction responsible for his death.

A mentally challenged man is reunited with his mother, who gave him away after his brother was killed.

A young woman (guest star Jena Malone) escapes from a polygamous cult.

A crane collapse kills a man, and it may not have been an accident; a rift forms between Jack McCoy and Michael Cutter.

It is high summer in the polar regions, and the sun never sets; many species take advantage of the easier conditions, but summer is a tough time for the polar bear family, as their ice world melts away and the cubs take their first swimming lesson.

Polar landscapes in autumn are transformed as the big freeze returns; in the Arctic, polar bears gather in large numbers on the coast to wait for the return of the ice; off the coast 2,000 beluga whales head for a special estuary.

Human survival in polar areas relies on ancient wisdom and modern science; a look at the riches and wonders of the polar regions and the people that have been visiting them for thousands of years.

Winter is the greatest test for life in the polar regions; in the Arctic, a female polar bear treks into the mountains to give birth; out on the frozen ocean, the entire population of the world's spectacled eider ducks braves the winter.

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

A female vampire tries to protect a medical student from werewolves intent on creating a hybrid species.

The police must thaw a long-imprisoned ex-officer to help catch an escaped convict in 2032 San Angeles.

Green Beret veteran Rambo (Sylvester Stallone) takes on a Pacific Northwest sheriff (Brian Dennehy) and the National Guard.

A former Green Beret goes on a reconnaissance mission to spring MIAs from a Viet Cong prison.

Former Special Forces agent John Rambo blasts through Soviet-occupied Afghanistan in search of his captive mentor.

The BAU looks to outsiders for clues when three college athletes disappear the night of a pep rally; J.J. is instrumental in moving the case forward.

The unit is called into action when a serial bomber terrorizes Seattle.

The daughter of high-powered diplomats must battle suspicions of nepotism when her assignment to the unit takes place without notification to Hotch or Gideon.

The BAU goes to Guantanamo Bay to interrogate the leader of a terrorist sleeper-cell to prevent a national disaster.

Dr. Spencer Reid suspects that a young man who has reached out to him for help may be a serial killer.

The BAU team must delve into Morgan's past to prove his innocence when he is arrested on a charge of murder in Chicago.

The BAU team goes head-to-head with a serial killer (Keith Carradine) who has tortured and killed more than 100 people over 30 years.

External skeletons of insects provide strength and protection, and their diminutive stature allows them to exploit all habitats.

Birds can fly at high speeds and cover great distances, but also can show murderous tendencies.

The world's most diverse animal group, insects possess fearsome weapons but also show tenderness.

Explore the battles fought daily between carnivores and their prey around the world.

An investigation of marine invertebrates and the way they thrive in the toughest parts of the ocean; divers swim into a shoal of predatory Humboldt squid as the creatures emerge from the depths to hunt in packs.

A lone Marine sharpshooter (Tom Berenger) goes on a Panama mission with a Washington bureaucrat (Billy Zane) accustomed to paper targets.

Green Beret veteran Rambo (Sylvester Stallone) takes on a Pacific Northwest sheriff (Brian Dennehy) and the National Guard.

A former Green Beret goes on a reconnaissance mission to spring MIAs from a Viet Cong prison.

Former Special Forces agent John Rambo blasts through Soviet-occupied Afghanistan in search of his captive mentor.

Hired to tame a rowdy Missouri bar, a Ph.D. bouncer (Patrick Swayze) romances a doctor (Kelly Lynch) and tames the whole town.

Celebrity guests discuss their current projects and the latest gossip hitting newstands.

Gibbs and his team investigate when the decomposed body of a woman in a wedding dress is found in a subterranean cell decorated to resemble a 1950s bedroom.

When a Marine helicopter appears in the middle of a crop circle, Gibbs and the team investigate and encounter a town convinced that extraterrestrials played a role.

The team investigates a Navy lieutenant's rape and murder; Ducky fears the killer is linked to an unsolved murder that has been haunting him for years.

The discovery of a civilian's body in a Marine bombing range leads the team to uncover a Mafia dumping ground, and Gibbs' partner, agent Fornell (Joe Spano), is accused of aiding the Mafia.

The NCIS team's assignment is to protect an Iraqi War veteran being targeted by terrorists.

A World War II Medal of Honor recipient (Charles Durning) confesses to the murder of his best friend almost 60 years ago.

Curly is mentioned in a will.

The Stooges become doctors at a large hospital, where they disrupt patients and staff alike.

The remains of a former art student are found in a log in a forest; Wendell returns after beginning cancer treatments; Booth prepares for an FBI competency test.

The team investigates the death of a woman whose body was cryogenically frozen before being dumped in a swamp; Cam is nervous to meet Arastoo's parents; Booth is up for a promotion.

When the remains of a woman from a wealthy family are found in a national park, the team thinks she may be a victim of the Ghost Killer; Booth's career might be in for some changes.

When the head swim coach of a community college is found dead at the bottom of the well, possible suspects think he may have been having an affair; a new intern (Laura Spencer) catches Sweets' attention.

In 1960s Oklahoma a sensitive youth (C. Thomas Howell) gets in over his head when his best friend (Ralph Macchio) kills a member of a rival gang.

Retired Rocky's (Sylvester Stallone) plan to re-enter the ring for a few small matches escalates into a full-fledged bout with the world's reigning heavyweight.

Hired to tame a rowdy Missouri bar, a Ph.D. bouncer (Patrick Swayze) romances a doctor (Kelly Lynch) and tames the whole town.

A revered sheriff becomes a possible conspirator in a case involving a murdered tourist.

Detectives Lupo and Bernard investigate when the writer of a best-selling memoir is found dead in a community of male prostitutes.

Cutter is determined to expose misconduct when he realizes an old friend working in the system is obstructing justice in the murder of an environmentalist.

While investigating the murder of two divorce lawyers, detectives Lupo and Bernard uncover a child slave-trade ring.

The murder of the plaintiff in a high-profile lawsuit against a major airline leads detectives to a defense attorney (Dallas Roberts) who is willing to do whatever it takes to ensure his big payday.

When the son and housekeeper of a pair of prominent biologists are murdered, detectives suspect the couple's work on a controversial pharmaceutical study may have made them targets for the killer.

The owner of a trucking company, Vic Russell, is found dead after a business meeting; detectives uncover information that leads them to believe that Russell had ties to the Russian mob.

An NYPD officer kills a troubled fellow officer who took hostages at gunpoint; detectives Lupo and Bernard find valuable stolen documents and a dead body at the man's apartment.

An unconscious war widow and her lifeless infant are found in the rubble of a bombed Army recruitment center; DA Jack McCoy must make one of the most-unpopular decisions of his career.

Mysterious e-mails from a religious Web site lead detectives to the dead body of one of the page's creators; Jack McCoy's political opponent uses the media to attack his reputation.

As detectives investigate the death of a bank executive's mistress, they uncover a kidnapping and extortion plot.

The search for a writer's killer leads detectives to a closed espionage case.

While investigating the murder of a TV reporter, detectives learn that she was involved in a love triangle.

A forensic look at how crocodiles hunt wildebeest and zebra; a new perspective on how these predators use ambush strategies and the element of surprise.

A forensic look at how cheetahs hunt prey, including lechwe, impala and wildebeest.

In Amboseli, Kenya, an incredibly rare drought event pushes a struggling elephant family to its limits as their only chance to save their dynasty is to work together and overcome the challenge of a lifetime.

On Zambia's plains, a cheetah mother and her three growing daughters must travel thousands of kilometers every year to roam their vast territory searching for food; new challenges arise as the wet season arrives and floodwaters advance.

On the vast Zambian plains, a clan of hyenas must pull together to survive; the seemingly desolate territory could be the key to their success, and holding onto it until the wildebeest return will be vital for the clan's survival.

Oceans dominate the world's weather systems while supporting a wide range of life.

Predators utilize marshes created by tides; finback and humpback whales; sand crabs; surfing snails; dolphins.

Life on the edge of frozen seas near the North and South poles.

Examining the fragile ecosystems and colorful life surrounding coral reefs.

Oceans dominate the world's weather systems while supporting a wide range of life.

Plankton use sunlight as an energy source in temperate-sea habitats.

Breeding forces animals to come onto land; eagles; marine iguana; Olive Ridley turtles; killer whales hunt sea lion pups; rockhopper penguins.

Mountain ranges, perpetual night, pressure and temperature extremes create unusual life forms.

Four rival families - leopards, hyena, wild dogs and lions - all trying to claim a rich corner of Zambian paradise as their home. Who will succeed in ruling this precious Kingdom?

Navy lawyers (Tom Cruise, Demi Moore) defend two Marines accused of killing a private at the naval station at Guantanamo Bay, Cuba.

Four rival families - leopards, hyena, wild dogs and lions - all trying to claim a rich corner of Zambian paradise as their home. Who will succeed in ruling this precious Kingdom?

Navy lawyers (Tom Cruise, Demi Moore) defend two Marines accused of killing a private at the naval station at Guantanamo Bay, Cuba.

David Attenborough follows five endangered animals, each struggling to survive against rivals and the forces of nature.

Wolves are released into Yellowstone National Park after a 70-year absence, setting off a series of events within the food chain.

Predators utilize marshes created by tides; finback and humpback whales; sand crabs; surfing snails; dolphins.

Life on the edge of frozen seas near the North and South poles.

Examining the fragile ecosystems and colorful life surrounding coral reefs.

Oceans dominate the world's weather systems while supporting a wide range of life.

Plankton use sunlight as an energy source in temperate-sea habitats.

Breeding forces animals to come onto land; eagles; marine iguana; Olive Ridley turtles; killer whales hunt sea lion pups; rockhopper penguins.

Mountain ranges, perpetual night, pressure and temperature extremes create unusual life forms.

Four rival families - leopards, hyena, wild dogs and lions - all trying to claim a rich corner of Zambian paradise as their home. Who will succeed in ruling this precious Kingdom?

Billy Madison, an adult goof-off, goes back to elementary school in order to run his father's company.

A powerful swing convinces a hockey player (Adam Sandler) he can join the PGA tour and win back his grandmother's repossessed house.

A boy's birthday wish comes true that his neglectful father, a fast-talking lawyer, cannot tell a lie for 24 hours.

Billy Madison, an adult goof-off, goes back to elementary school in order to run his father's company.

A powerful swing convinces a hockey player (Adam Sandler) he can join the PGA tour and win back his grandmother's repossessed house.

An earthy self-made man (Rodney Dangerfield) divorces his no-good wife and buys his way into his son's (Keith Gordon) college.

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 very end of East Africa's Great Rift Valley, there's a "land that time forgot" ; the rolling grasslands of the Luangwa Valley.

Journey from the lava ramparts to its fiery heart, discovering how this place became one of the most important areas of biodiversity in the world.

The diversity of animals and plants, and stories of survival in nature; capuchin monkeys use stone hammers; killer whales hunt seals; an elephant herd follows the matriarch.

Reptiles and amphibians live on every continent except Antarctica; frogs hunt bats; Komodo dragons track buffalo; snakes that live and breed in the sea.

Discover how mammals stand out from the crowd, with their intelligence, fat, fur, warm blood and the care they lavish on their young ones.

After being raised on the ice in winter, emperor penguin chicks find themselves abandoned by their parents in spring; to survive, they must find their own way across the treacherous sea ice to the rich waters of the Southern Ocean.

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.

Found on every continent, mountains create unique frozen worlds, home to extraordinary animals that must overcome the crushing conditions of the cold.

Trekking across the planet's most hostile frozen zone: Antarctica; getting to know ice.

An earthy self-made man (Rodney Dangerfield) divorces his no-good wife and buys his way into his son's (Keith Gordon) college.

A boy's birthday wish comes true that his neglectful father, a fast-talking lawyer, cannot tell a lie for 24 hours.

February 2nd keeps repeating for a cynical TV weatherman (Bill Murray) sent to watch the groundhog in Punxsutawney, Pa.

A Los Angeles sports agent (Tom Cruise) finds love with a pretty accountant (Renee Zellweger) after an attack of conscience costs him his job and fiancée.

Detective Bernard and Lupo's investigation into a series of hate crimes against Hispanic men leads to controversy.

Detectives Lupo and Bernard have trouble finding a motive when a firefighter and his wife are found tortured and murdered in their new home.

The double murder of two young scientists leads detectives to a jealous, mentally disturbed woman.

Detectives Lupo and Bernard investigate three murders that appear to be the work of a serial killer.

The murder of a well-known charity executive leads detectives down a path of political intrigue.

When a young war veteran is found dead, Detectives Lupo and Bernard connect the murder to an attorney who used to work for the Department of Justice.

Detectives find that DNA evidence seems to link the murder of a CSU investigator and an attack on a young journalist (Camille Chen).

The boys find stolen bonds and a sick child's daddy.

The team works with Special Agent Aubrey to investigate a far-reaching conspiracy in the government; DNA found on a previous victim linked to the scandal helps the narrow down the suspect pool.

With intern Rodolfo's help, the team investigates the murder of a conservative radio host whose remains were found in a storm drain; Special Agent Aubrey endeavors to gain Booth's trust; Brennan worries about Booth's mental health.

The team and Special Agent Aubrey investigate the murder of a video game designer; intern Jessica talks about the educational cooperative with which she has been involved; Brennan and Booth talk about Christine's future.

The team members investigate when remains are found in a stairwell at a convention they are attending; Brennan bumps into her publishing rival, Tess Brown; Wendell has news about his diagnosis.

A pilot (Robert Hays) afraid to fly follows his stewardess ex-girlfriend (Julie Hagerty) and must take over for the poisoned crew.

The first commercial space shuttle sends loony Ted (Robert Hays) and his former girlfriend (Julie Hagerty) on a trip to the moon.

February 2nd keeps repeating for a cynical TV weatherman (Bill Murray) sent to watch the groundhog in Punxsutawney, Pa.

A Los Angeles sports agent (Tom Cruise) finds love with a pretty accountant (Renee Zellweger) after an attack of conscience costs him his job and fiancée.

Faced with a tight budget, a baseball manager and his partner recruit bargain-bin players that scouts have labeled as flawed, but have game-winning potential.

Detectives Lupo and Bernard investigate when an aspiring musician is found dead; a bag of cash leads to multiple suspects.

While searching for the murderer of the adoptive mother of 10 disabled children, detectives uncover a reality-show offer and an affair.

When a doctor is murdered, the detectives investigate an abortion protester; Van Buren receives more bad news; Connie faces a moral dilemma.

The revelation of a murder victim's true identity leads detectives to a suspicious web site with threatening posts.

When a wealthy young woman is found dead in her apartment, a few signs lead detectives to believe the killer was not after her wealth; a security video exposes two potential suspects, leading the detectives to a drug cartel.

A suspicious nasal spray is found at the site of a deadly car crash; after the medical examiner realizes the spray could easily disorient its user, the detectives become suspicious of the victim's boss.

When a key witness in a murder trial is found dead in her hotel, detectives get involved in a spiraling case that unravels into an intricate conspiracy.

Its the peak of a four-year drought in a wilderness in Botswana named Mashatu; animal families are forced to live side by side in this landscape.

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 world panics as doctors race to find a cure for a rapidly spreading virus that kills those contaminated within days.

A tattooed psychopath (Robert De Niro) preys on a Southern lawyer (Nick Nolte), his wife (Jessica Lange) and their teenage daughter.

The son (Lillo Brancato) of an honest bus driver (Robert De Niro) looks up to a local mob boss (Chazz Palminteri) amid racial tension in 1960s New York.

Faced with a tight budget, a baseball manager and his partner recruit bargain-bin players that scouts have labeled as flawed, but have game-winning potential.

A trainer (Kevin Costner) in a Coast Guard program for rescue swimmers turns a cocky recruit (Ashton Kutcher) into his protege and takes him on a mission to the Bering Strait.

The BAU team investigates a wealthy couple's murder at their home following a Super Bowl party; someone places a 911 call quoting Bible passages seconds before the murders.

A sadistic serial killer kidnaps and tortures Reid and broadcasts the ordeal over the Internet.

In an upscale New York neighborhood, the team investigates racial motivation as a factor before fallout from killings can escalate.

The team goes to Houston to investigate a series of seemingly random murders at construction sites; the team notices a distinct change in Reid's demeanor.

The team goes to New Orleans to find a perpetrator who has resumed killing after a 15-month break; Reid struggles with the effects of being a hostage.

The team tracks an arsonist through a radical environmental group that uses fire to spread its message.

Elizabeth Prentiss, a foreign ambassador and SSA Emily Prentiss' mother, seeks the aid of the BAU when a Russian immigrant is kidnapped.

Okavango is rich in diverse wildlife; a cycling inland delta.

The landscape transforms as the rains finally fall, bringing in various changes for the wildlife.

A desperate man (Denzel Washington) takes hostages at a hospital in order to force doctors to save his dying son.

A trainer (Kevin Costner) in a Coast Guard program for rescue swimmers turns a cocky recruit (Ashton Kutcher) into his protege and takes him on a mission to the Bering Strait.

Costner's epic vision of the American frontier as seen through the eyes of a 19th-century U.S. Cavalry officer.

Cattle herdsmen (Robert Duvall, Kevin Costner) unite to battle a ruthless rancher and his henchmen in 1882.

War veteran John Rambo tries to find some semblance of peace by raising horses on a ranch in Arizona. But when a vicious Mexican cartel kidnaps a teenage girl, Rambo embarks on a bloody and personal quest to rescue her and punish those responsible.

Celebrity guests discuss their current projects and the latest gossip hitting newstands.

Gibbs and his team investigate the unusual case of an unpopular Navy commander who, after successful open-heart surgery, apparently burst into flames.

When a Marine's wife kills the intruder who tried to rape her, Gibbs and his team realize they are tracking a serial rapist and killer who uses a racy Web site to stalk his prey.

Tony goes under cover as an escaped prisoner chained to a convict who holds the key to recovering stolen Iraqi art, but when his GPS device fails, the team must find other ways to locate him.

Gibbs and the NCIS team work with a notorious private detective during an investigation of a naval officer found murdered at the bottom of a lake.

The team investigates a telemarketer's report of the murder of a petty officer after hearing it over the phone, and it appears to be a hoax until the body of the officer is found.