An overweight cat with kidney disease needs a miracle if it is going to survive. Plus, Dr Jeff battles to save a dog hit by a car while the owners are overseas.

Robert watches anxiously as Indah the Komodo dragon meets a potential mating partner. Plus, Terri deals with a python with an unusual lump.

It's a big day at the zoo as they welcome four Sumatran elephants. Robert rescues a crocodile from a suburban backyard and Bindi and Chandler have a surprise!

Jeremy heads to Australia to investigate an underwater attack. Could it be the work of a giant fresh water predator that many believed to be extinct?

Earl finds a dog with a bad infection and riddled with tumours, and the team do everything they can to help her. Plus, a lawyer looks to adopt an active dog.

Jackson travels to Portland to help Lee and Teresa, who called 911 on their cat Lux. After their son Jesse pulled on Lux's tail, he got clawed.

It's fiesta time, as pool designer Lucas Congdon and his crew are challenged to create a Mexican resort in a residential backyard in Venice, Florida.

Lucas creates the lifelong dream pool of a retiring military couple, by designing the largest grotto-enclosed spa and widest waterfall of his career.

How do hamsters stuff so much into their cheeks? Why do camels have humps? Plus, why are pigeon wings so noisy? Experts answer these questions!

How does your dog know when you're sick? Which animals make the most amazing nest? Why do octopuses have blue blood? Experts have the answers!

The staff head to Manhattan to rescue a wallaby living in an apartment. A fruit bat learns to spread her wings, and some alligators move into their summer home.

Chicago Bull's star Jimmy Butler calls Wayde and Brett to build him an old school boombox aquarium that lights up and plays music.

ATM rings in the holiday season as Wayde and Brett engage in a first-ever Tank Off! Jackass creator Jeff Tremaine returns to judge who built the most badass tank.

Mireya's darkest nightmare comes true. Meanwhile, Russell investigates a possible Bigfoot underwater passageway.

Each summer the Gulf Stream pushes north into the waters of southern New England, bringing with it thirty species of shark. Greg Skomal and Joe Remeiro study the annual spectacle.

The Raneys must move an entire cabin into the flood zone as Marty's dam is put to the test. The surprise arrival of chicks means the coop needs an upgrade.

Amputee Cedric's happy marriage to Robin faces its biggest challenge. Squeaker tests people's patience and a wild penguin comes in with a life-threatening wound.