Animal Planet HD

A polar bear chases down Erin Greene as she walks home from a Halloween party in a small arctic town; a bull shark attacks triathlete Chuck Anderson in the Gulf of Mexico, biting his arm and pulling him to the ocean floor.

Diver Tim Saxon films underwater at the Great Barrier Reef and gets stung by an Irukandji jellyfish, one of the world's most venomous animals; a grizzly bear attacks forester George Knoll in the remote Great Bear Rainforest.

Jim Lane picks blueberries alone in the Blue Ridge Mountains until a timber rattlesnake attacks; teacher Rachael Lilienthal's swim in a Florida river becomes a struggle when an alligator bites down on her arm, pulls her underwater and doesn't let go.

Forrest is in the Galapagos seeking the Fernandina tortoise, an animal that was only seen once, over 100 years ago; the clues are here, along with an abundance of unique species, raising hopes of a historic discovery.

Forrest is determined to find out if the famously reclusive Ivory Billed Woodpecker still exists; the alligator and poisonous snake infested swamps of Louisiana make for a challenging mission, but he is prepared for anything.

A security sock keeps a timid pup named Wally calm within his pack of nine Spinone Italianos; Oskar the Pug is constantly into mischief and keeps his librarian mother on her toes.

Seven German Shepherd puppies are being trained as Search and Rescue dogs by their mother out in the country; Prickle the African Pygmy Hedgehog looks for a cuddly cozy pal among a house full of Havanese puppies in the city.

Siberian soulmates' son Calvin is a fireball and puts their relationship to the test; Izzie the Turkish Angora kitten has a tough life balancing her personal style while living in a cats only grooming salon.

Siberian Husky declares himself to be, among a pack of seven pups, their leader, but now he has to back it up with superior sledding skills; Lil the Irish Setter runt proves she can keep up with the dozen count litter.

Terri welcomes Mballa, a new cheetah cub from South Africa, to the Australia Zoo family; Robert sets out to save a stranded platypus and Bindi prepares to meet Bert the Koala Joey as he emerges from his mother's pouch for the first time.

As the calls keep coming in, everyone has been stretched thin since Jimmy quit; Paul comes to the begrudging realization that it's time to replace him.

Jimmy leaves town with Ashley and Andy to do his road show, while Paul has only newbie Caroline to help with gator calls.

Jackson enters the Santé D'or shelter intent on helping an over-aggressive shelter cat named Pigpen. However, by the time he leaves, Jackson is ready to take on the challenge of converting Santé D'or into a new shelter concept.

A cat-obsessed woman gets a kitten as a gift, but is quickly disappointed when the cat terrorizes her other two felines; a couple living in harmony is disturbed by their newest addition's demonic ways.

Tia makes a difficult decision; a family seeks shelter for its pit bull after losing a home in a fire.

Tia's goal is to transform the lives of parolees, however, one parolee risks his chances to get on the correct path; a pit bull rescued from the streets of Jackson, Miss., steals the heart of a potential adopter's heart.

Adventurous Texas family, living on a 200-acre ranch, want a camouflaged treehouse that also serves as a guest house.

Pete has a nine day window to build a Zen-like sanctuary for some old friends in the shadow of the Blue Ridge Mountains in Canton, N.C.

A heard of goats stand in the way of Pete building an elegant English retreat with a luxurious hanging bed on an idyllic farm in Waxhaw, N.C.

Pete and the crew round-up the magnificent seven of cypresses alongside the Frio River and moseys on down to Leakey, Texas to build a gigantic, Texas-sized treehouse with the longest bridge in NT&S history.

In Kentucky, Pete creates a treehouse with 17-foot-high ceilings and open-frame timber rafters, allowing a couple with a love of tree-climbing to harness up and dangle from both inside and out.

The NTS team focus their chi to create a meditation space 20 feet high through twisting maples for a couple in West Seattle.

A 500 square-foot ski lodge treehouse with a stainless steel candy kitchen and wine bar, 11 feet in the air and among 14 camphor trees is the gift Santa Pete wants to give the candy and wine making Splinter family of Northern California.

Pete takes on an exciting project for two tastemakers in Maine that includes a towering rooftop crow's nest and a wall of windows.

Pete and his team undertake a sticky challenge and reinvent the classic single-tree treehouse; constructing a magnificent and whimsical beehive-like structure soaring 30-feet high in a majestic Douglas fir.

The NTS team focus their chi to create a meditation space 20 feet high through twisting maples for a couple in West Seattle.