Examine the hunting approaches of tiger sharks and great whites, namely the polaris breach, aerial breach and surface broach. What makes these killer strategies so effective?

A family in Idaho suffers from a cabin on the verge of collapse and predator threat to 100 chickens. The Raneys set about making it liveable.

One orphan needs another, more experienced one to help them bed in. The babies are at high risk from parasites ingested from the ground.

Orphaned orangutan Peanut is one of the newest and youngest arrivals at the sanctuary. He has made friends with Beryl, but he is feeling unwell.

Antonio brings his eye for design to the Sanders family, who need some major help to take back the house from their bunnies, ferrets, cats and dogs.

In Smith County, Clarke and Temple stop a forest fire and help a distressed pelican. Plus, Bailey and McMahen stop a boater with controlled substances onboard.

As the Browns struggle to get their house built, winter arrives. While working through the snow, a series of setbacks threatens to derail all the hard work.

The Brown family are ready to move into their new home when Ami requires immediate medical attention and must travel to a big city for surgery.

What are cats trying to communicate to humans? Why have some of the world's cleverest monkeys turned to a life of crime? Experts answer these questions and more!

Why are moths attracted to flames? Why do turtles cry? And, why do sea otters bond with stones? Experts answer these questions and more!

When officers raid an illegal cockfighting ring, the quest for justice uncovers a shocking case of deliberate cruelty. But the bird's owner denies any wrongdoing.

In this special edition, join the rookies to discover what it is like learning to fight crime in one of the toughest cities in the US.

Wildlife agents are called out to rescue a black bear that has been hit by a car. Meanwhile, investigators confront the owner of an illegal pig slaughter operation.

This stunning wildlife documentary captures the seldom seen wild side of America's most popular forests and reveals the nature of the Appalachians.

The team is in Madagascar to study the recently-discovered Goodman's mouse lemur. One of the world's smallest primates, it's incredible agile and ferocious.

Bradley and Billy are hunting for dragons deep in the rainforests of Thailand. The flying dragon rules the jungle canopy, gliding and dive-bombing its prey.

Dr. Jeff treats a cherished Bloodhound puppy that won't eat. Plus, Dr. Petra comes to the rescue of a cat after it swallowed a handful of hair ties.

Dr. Jeff and the team head to a remote town offering low-cost care to pets. Plus, Dr. Petra performs life-saving surgery on a Basset Hound that was hit by a car.

Robert and Indah, a Komodo dragon, participate in an exciting research experiment. Terri tries to save a koala joey with a zero percent chance of survival.

As Bindi celebrates her 21st birthday, she gets a surprise proposal from her boyfriend. Meanwhile, things get dangerous as Robert wrangles gators in thick mud.

The African penguin colony welcome their newest additions after a successful mating season. Plus, a sea otter is introduced to the rest of the raft.

The crew race the clock as they undergo a tough rescue mission. With animal control ready to take over, Tia must save the group of dogs before it's too late.

Ingrid, Anicka and Nikki have been friends for over 10 years, but this long-standing friendship is on the verge of ending, because of Ingrid's hellish cat, Milo.

Small-town Texas parents enlist Anthony to transform their ordinary backyard into a tranquil garden, reminiscent of mum's home country of England.

A busy firefighter and his wife living on a farm in Northern California need Anthony's help to fix the do-it-yourself pool project they started.

Forrest scours lakes and rivers of both metropolitan and rural Vietnam in search of one of the last living specimens of the giant softshell turtle.

Famous filmmaker, Kevin Smith, needs a new home for his two turtles and one tortoise. Can Brett and Wayde build a tank to house both species?

Howie Mendel wants a tank but can't make up his mind on the design. Will Wayde and Brett be able to complete the build without any guidance?

The duo attempt to combine Gabriel Iglesias' love of vintage buses into a unique pair of tanks, but a grand theft heist at ATM may put on the brakes.

Winter has finally arrived. While Bob deals with the ramifications of crashing his plane, Heimo must find a way to cross a newly frozen river.