Animal Planet HD (Pacific)

A backpacker and experienced hunter attempt to survive 21 days in a swampy Argentine savanna teeming with mosquitoes and violent subtropical storms.

Four male survivalists who tapped in previous challenges seek redemption in South Africa; humbled by their past failures, they hope to survive 21 days and triumph as a tribe.

Jackson goes to New Jersey to help a single mom whose cat, Pickles, terrifies her kids; the Cat Daddy works with Lucifer, a cat whose devilish food obsession and constant pursuit to eat may cost him his life.

Jackson works with Sydney, a Bengal, who's welcoming his new stepmom and new pit bull brother into the family by spraying every piece of furniture in the house; an energetic cat, Stella, threatens to harm a toddler.

Discovering the bloodhound, Yorkshire terrier, Great Dane, shih tzu and Rhodesian ridgeback breeds.

Discovering the English bulldog, wire fox terrier, collie, and cavalier King Charles spaniel breeds.

Nicole Moore's vacation in Cancun, Mexico, gets cut short when a shark attacks her close to shore; in Tennessee, a timber rattlesnake bites firefighter Kyle Watson while he hikes in the woods with his family.

Wayne Petteway is attacked by an alligator while checking crab pots with his brother in North Carolina; in Arizona, Peter Baca is camping with his girlfriend and baby son when he is awoken by something attacking him through the walls of the tent.

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.

Southern Florida is filled with dangerous examples of native wildlife, including rattlesnakes, cottonmouths and alligators.

A child is sent into a coma after being bitten by a poisonous coral snake; Lt. Cullen learns that his niece has been bitten by a water moccasin.

Lt. Lisa Wood nearly loses a leg to an alligator blocking a roadway; the Venom One team encounters three deadly snakes.

A rattlesnake takes a dip in a pool, while another hides out in a woman's car; Capt. Seifert encounters a blood python.

Jeremy investigates the bull shark.

Jeremy Wade searches for the Amazon's notorious flesh eaters; a man is swallowed whole by a fish.

After two men vanish from a remote lake in Malaysia, Jeremy sets out to find the possible culprit; a trail of evidence leads Jeremy into an ancient rainforest, where an old adversary lies in wait.

Wade takes on the biggest investigation of his career -- to unravel what happened to over 1,000 passengers of the RMS Laconia, torpedoed in the mid-Atlantic; he travels the globe, battling giant fish, massive sharks and a deep-sea monster.

On a volcanic island in the Pacific, terror grips a fishing community when something in the water leaves a trail of bloody victims in its wake; the only clues they have to the attacker's identity are the large puncture wounds it left behind.

Wade takes on the biggest investigation of his career -- to unravel what happened to over 1,000 passengers of the RMS Laconia, torpedoed in the mid-Atlantic; he travels the globe, battling giant fish, massive sharks and a deep-sea monster.

Wade travels to Germany, where he meets victims of a beast seen raising its snout above the surface of freshwaters in Europe for the past 700 years; discovering the Wels catfish, an aggressive predator of man-eating proportions.