Investigator McHugh finds a dog with a missing leg - what has happened to it? And investigator AJ is horrified by a puppy dying of tick infestation.

Investigators McHugh and DaBolt uncover a terrible case of neglect, as 50 diseased and deformed animals are found in the home of a former dog breeder.

As the end of winter nears, the residents look toward to the future. Bob trains Ruger to be a hunting dog, while Ray prepares for a life without his daughters.

Billy's dream of self-sustainability is tested as the Browns start their biggest project yet, while Matt and Bam help Browntown's expansion with their own venture.

A couple is unable to move in together because of their violent cats. Plus, a war veteran whose feline reacts violently towards his girlfriend's dog seeks advice.

A new season brings new challenges as Villalobos Rescue Center expands beyond New Orleans opening a satellite shelter in nearby Assumption Parish.

Tia faces a challenge rescuing a dog tied up in an empty house, and Tania tries re-homing an unusual resident, but will a health scare risk the adoption?

A dog's chance to get a new home is put at risk when a tumour is found. Meanwhile, Tia faces a tough decision when an aggressive dog becomes a danger to her staff.

Dr. Ross and vet tech Kyerra rush to save the life of a stray cat injured by a car engine. And, Dr. Blue treats a 700lb pig who suffers from arthritis.

Dr Ross takes care of a pair of roosters involved in a barnyard brawl and joins Dr Lavigne for a hyena consultation. And, Dr Blue treats a paralysed Yorkie.

A golden retriever with a broken leg is rushed into the clinic by his devastated owner. Then, Dr Jeff and his team treat a beagle after a vicious dog attack.

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.