In Oregon, John meets a woman who is on a mission to teach cats how to swim; in San Francisco, John visits a woman who makes jewelry out of her cat's fur.

In Philadelphia, John encounters a crew of cat-lovers who perform feline kidney transplants to give cats with kidney disease second chances at life.

Bindi and the family plan a surprise for Terri in the Crocoseum; Chandler steps up during the crocodile show; Robert tends to a trio of small tiger cubs.

As the boys settle back into their lives in Florida, their current gator girl Ashley isn't sure of the intentions of the newest female member of the team.

The guys face massive alligators like the ones back in Mississippi and purchase a metal detector to search for buried treasures to support Alligator Rescue.

Jackson struggles to get a Bengal cat named Sydney to stop spraying the furniture; the owners of an excited cat worry their toddler could get hurt.

A stressed cat named Dale upsets his owners by peeing everywhere; Jackson struggles to convince a guardian to stop feeding their diabetic cat, Lasagna.

When it is learned that a dog has a tumor, its chance to finally get a forever home is jeopardized; VRC makes an effort to reunite a stray dog and its owner.

An Oklahoma mother and daughter come to Villalobos Rescue Center trying to find a new best friend; and Tia's dog Jethro becomes dangerously ill.

Extreme angler Jeremy Wade resorts to visiting a witch doctor in his pursuit of the ferocious Goliath tiger fish in the waters of Africa's Congo River.

Extreme angler Jeremy Wade goes in search of a vicious, 700-pound, barb-tailed fish that reputedly haunts the waters of Thailand's Mekong River.

After two men vanished from a lake, Jeremy Wade tries to track down the culprit and follows a trail of evidence that leads him into an ancient rainforest.

Jeremy Wade visits an Indonesian island to investigate a series of attacks, including one where a snorkeler was impaled by an unseen underwater assailant.

Jeremy Wade investigates a case where a fisherman was dragged into a river by an unknown creature, prompting Jeremy to suspect that it was the goonch catfish.

Nambia hosts the largest cheetah population. Dr. Laurie Marker, founder of the Cheetah Conservation Fund, works to protect them.

Biologist Hazen Audel travels to Somaliland to meet the team on the frontlines of rescuing and rehabilitating cheetahs from the illegal pet trade.

When a community gets terrorized by an underwater assailant, the only clue they have to the attacker's identity is the large puncture wounds it left behind.

Jeremy battles massive sharks and a deep-sea monster to uncover what happened to more than 1,000 passengers of the RMS Laconia in the mid-Atlantic.

Jeremy battles massive sharks and a deep-sea monster to uncover what happened to more than 1,000 passengers of the RMS Laconia in the mid-Atlantic.