National Geographic (Canada)

Francis Drake is cemented in history as the world's most controversial pirate.

Grace O'Malley defies gender conventions of her day and becomes the most feared and respected leader of both the land and the sea, eventually rising to Chieftain.

Englishman-turned-Algerian pirate John Ward becomes ruler of the Tunisian empire.

Brilliant strategist Morgan takes humans, treasure, and towns without mercy.

Darrell and Lisa head into Alberta and onto a trail nicknamed The Death Road; Art faces off with the ice crossing where he nearly lost his life last season; Todd takes rookie Steph Custance under his wing as she embarks on her first journey.

Nika and Chris face breakdowns and water problems; Ken's wife wants him home for their child's birth; Bernie's son goes AWOL.

Darrell and Lisa head into Alberta and onto a trail nicknamed The Death Road; Art faces off with the ice crossing where he nearly lost his life last season; Todd takes rookie Steph Custance under his wing as she embarks on her first journey.

Nika and Chris face breakdowns and water problems; Ken's wife wants him home for their child's birth; Bernie's son goes AWOL.

A challenging farm call turns into an emergency for one of the team.

A Chihuahuas labor stalls, and a curious cat gets hooked.

A family tradition for the generations, it's time for an incredible fair.

A new addition; Doc and Diane welcome a Friesian filly to the family.

Dr. Pol and his team handle animal emergencies in Central Michigan.

A cow requires the doctor's assistance.

Dr. Pol needs to take blood samples from a flock of sheep to test for Ovine Progressive Pneumonia, a progressive, incurable and highly contagious disease.

Dr. Pol examines a goat that has been refusing to eat.

Dr. Pol and Diane celebrate a milestone that's been decades in the making.

Dr. Pol celebrates turning 80 with a trip to the Netherlands with Diane.

The Pols welcome a fluffy addition to the family; Tater is not pleased.

Welcome to the fair; Vets rally to keep dreams alive for hardworking kids.

Charles is worried about his dog Athena and looks to his dad for guidance.

The Pols welcome a fluffy addition to the family; Tater is not pleased.

Welcome to the fair; Vets rally to keep dreams alive for hardworking kids.