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Two pilots push their limits to land on Alaska's most treacherous runway. In Unalakleet, Ariel Tweto takes to the skies and proves that she still has a lot to learn.

Deep in the wilds of Louisiana, a crab fisherman is caught stealing traps and a hunter is caught with an illegal deer. Plus, agents rescue an injured eagle.

Spin Cycle Spec-Tank-Ular! A Las Vegas laundry wants an aquarium built into a real washer-dryer unit! Plus, an optometrist wants an eye-popping underwater world for their patients.

When investigators respond to a report of a dead puppy in a yard they arrive to discover him still alive. It is a race against time to get the puppy lifesaving treatment.

The entire team is called into action when four baby goats are rushed into the Houston SPCA shelter with life threatening injuries after being attacked by stray dogs.

Terri and Bindi join the team at The Australia Zoo Wildlife Hospital as they treat an incredible range of animals. And, a koala undergoes surgery.

Tia heads to the swamps to rescue a dog needing medical attention and is shocked by the diagnosis. Meanwhile, Earl takes the lead in teaching his son how to drive.

The Twetos' family airline battles arctic elements to transport supplies and people across Alaska. What does this season hold in store for the business.

When winter claims its first casualty, Jim transports the casket. Plus, Luke feels the pressure when he has to fly dangerous chemicals to an isolated village.

An injured deer is found hiding in a shed after being attacked. While pulling over a suspicious vehicle, the Game Wardens notice the driver hiding something under his seat.

Dr. Jeff and his team head to Romania to help with a street dog problem. Plus, the team ventures into the mountains to help a European Bison with a brutal wound.

Go behind the scenes with Pete Nelson as he shares some of his favourite, never-before-seen 'Treehouse Masters' moments, including lots of lost footage.

Dusty continues the fight against Florida's invasive pythons. When the team find new colonies up north, they learn the snakes are adapting to colder weather.

The Day The Ice Road Shattered. The family teams up to rescue a tractor, but the pressure is on Otto to start it before the ice road melts - and he puts his safety on the line.

The Browns rush to build livestock shelters as a life-threatening cold front reaches the mountain. The siblings are forced to make a risky journey.