Animal Planet HD (Pacific)

On a dream trip in Alaska, Greg Matthews and his brothers cross paths with a grizzly bear; in Australia, Ella Murphy and her friends go surfing when a mystery assailant violently strikes her in the head.

Outside Corpus Christi, Texas, Jeremy Sutcliffe is working in his garden when a rattlesnake bite puts him on the brink of death; while spearfishing in the Bahamas, Kent Bonde is blindsided by a bull shark that tears the calf muscle from his leg.

A black bear charges Joe Azzouggagh and his German shepherd, Ace, deep in the Ontario wilderness; single father Andrew Dickehage, forced to walk six miles along a rural road at night, comes under attack from unseen predators.

A grizzly bear charges taxidermist Wilf Lloyd while he hunts elk with his son-in-law in the Canadian Rocky Mountains; miles from shore, diving 180 feet below the surface, spearfisher Anthony Segrich finds a bull shark charging toward him.

In Vietnam, Forrest treks through the world's largest cave searching for the saola in a hidden oasis; this exotic species was only recently discovered, but rumors swirl that The Asian Unicorn might already be extinct.

Forrest teams up with a specialist in Newfoundland in search of a predator that was declared extinct in 1930; the duo meets with a hunter that shot what is believed to be a wolf and uncovers evidence that suggests the species could be alive.

Amanda teams up again with Tia of "Pit Bulls and Parolees" to help Aiden, a Great Dane mix with a brain issue; she meets Chickpea, a French bulldog with a medical condition that quickly turns into a life or death situation.

Amanda works with Tia of Pit Bulls & Parolees to rescue a 3-legged Shepherd mix as part of a road trip rescue mission; she picks up 16 dogs along the way, including a young lab with a brain issue and a puppy mill survivor.

Bindi welcomes the arrival of tiny poison dart frogs to their new home at the zoo; Terri takes charge when the crew moves Bosco out of the Crocoseum; Chandler helps a glider called Kronk.

Ashley shares her challenges and preparations for wrestling a gator and demonstrates how her work differs from the men's with a women's empowerment group.

Bob Freer makes the announcement that he is closing Everglades Outpost due to lack of funds after Jimmy gets bit by a gator; no outpost means no gator rescue as Paul races to keep the outpost open.

Jackson meets bully cat, Baby, who's holding all the female cats hostage, causing them to hide in the bathroom; Jackson comes to the aid of an interior designer's couch destroying cats, one of which is shedding pounds on a hunger strike.

Jackson comes to the aid of three Boston families; Bengal threatens couple's first holiday; fighting cats may cancel party; sphinx pees all over gifts.

Tania and Tia rescue a sick dog from the streets; Chong's health deteriorates as his cancerous tumor continues to grow; Tia works on a long-distance adoption.

Kenani and Moe celebrate their birthday by converting a home in the swamps to a dog sanctuary; when one of Villalobos' beloved dogs gets unexpected news, Tia is determined to have him live out his days with the twins.

Pete builds a Scottish-inspired treetop cottage for Scottish gardeners in Tulsa, Okla., that connects to the clients' home by way of a sky bridge.

Pete uses hand-hewn rustic cedar to build an African-inspired circular hut treehouse complete with aerial walkway, spiral staircase and thatched roof.

Pete builds a butterfly-themed treehouse that includes six trees in Independence, Ohio, for a hope center that wanted a theraputic space within the trees.

A couple dreams of having a treehouse atop a lighthouse in Washington, and Pete finds the property's steep grade challenging.

Pete Nelson uproots an existing treehouse from the family-owned bed & breakfast Treehouse Point to build a custom-made treehouse as a housewarming gift for his daughter, Emily.

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.

Pete builds a clubhouse for a camp for children battling cancer; a crow's nest outpost and peek-a-boo roof for full interaction with nature.