Wayde and Brett travel to Tennessee, where the Hatfield and McCoy's dinner theatre wants to replace an old moonshine still with an aquarium.

After a midnight call out the crew are shocked to find a grim menagerie of hundreds of birds, roosters and dogs. Have they been bred for fighting?

Officers come to the rescue of a desperate cat stuck down a drain deep underground. Plus, they help an abandoned dog in danger of freezing to death.

Neil defies both nature and locals by developing his mine tour. But when the town discovers his secret construction project, McCarthy draws a line in the sand.

Fisherman and adventurer, Jeremy Wade, travels to the island of Tasmania in search of a colossal freshwater beast on the verge of disappearing forever.

The behaviour of Sebastian, a violent cat, puts a new-born baby in jeopardy. Plus, a door opening wild cat, Zeus, is threatening to leave his owner.

New Orleans has the highest population of pit bulls in the US. Tia packs up her family, the parolees and her pit bulls to move across the country.

Tia meets a family of eight looking to adopt a new dog after losing theirs to cancer. Plus, a rescue-call takes Tia and her daughter into New Orleans's infamous ninth ward.

An elusive pit bull is saved from drowning and now needs Tia's help. Then, with the arrival of 20 new puppies, Tia needs to hire another parolee.

Graduation is around the corner but intense rotations are still ahead - they must show no weakness on the road to becoming qualified veterinarians.

It's just days until graduation and the students finish their final rotations but although the countdown has started emergencies still need immediate attention.

Dr Jeff performs surgery on Slash the dog who can't keep his food down and weighs 20-lbs less than he should. Plus, Winter the cat has a bloody wound on his side.

Dr Jeff attends a shelter to help the pets of disadvantaged and homeless owners. And, at the clinic, Max the dog needs treatment for a growth on his head.

There's huge excitement at Australia Zoo: Rosie the Giraffe is set to give birth! Robert has a bloody encounter with a wild python that entered an enclosure.

While Bindi and the keepers ready Sophie the baby Giraffe for her first steps into her enclosure, Robert helps to raise another baby: Melman the Kangaroo.

Nandi, the aquarium's smallest manta ray, is due her annual checkup and some young ruddy ducks arrive at the aquarium and are introduced to their new habitat.

Tia gets a devastating injury, so her kids must help keep Villalobos running, and everyone must help catch an elusive dog in the middle of the night.

A Bengal cat is disrupting the peace between two friends and a tom with a nasty streak is a cause for concern for a mother-to-be. Can Jackson resolve their feline woes?

Pete connects with old friends to build them a Zen-like sanctuary in the trees. The team stays calm in constructing a retreat with a view of the Blue Ridge Mountains.

Pete designs a ski chalet treehouse that comes complete with a secret bedroom and a double-sided fireplace to keep guests warm both inside and out.

Experts test to see if wild wolves are smarter than domestic dogs with an interesting experiment. Plus, can spiders really fly? And, how do polar bears keep warm?

Experts look at why ants don't drown. Why don't woodpeckers get headaches? And, how does a 15-foot octopus escape through a three-inch hole?

Keepers introduce three gaur - a large, skittish species of cattle - to the rest of the herd. Plus, a sickly Sambar fawn is rushed to the health centre.

ATM begin a new project for an upscale cutlery company. Meanwhile, Wayde and Brett bring a bit of Maryland to Vegas with a crab boat aquarium.

Wayde and Brett are approached by renowned sea life painter Guy Harvey to build their largest tank to date for the Trade Winds Resort in St. Pete Beach, Florida.

New evidence reveals a Vietnam War pilot may have returned home with a secret cargo. Experts use this to try and find the missing link in human evolution.

Wildlife biologist, Forrest Galante, is in the Maldives in search of a supposedly extinct shark. Unidentified sharks in the area have led many to believe the Pondicherry is alive.

The Raneys attempt to save a single mother and her daughter from a rampant moose, Marty builds a bridge across a creek and Matt teaches predator deterrent techniques.