Last of the Right Whales

E1

North Atlantic right whales are on the brink of extinction. Follow the fight to save them.

Rat City

E2

Remarkable superpowers make rats the evolutionary heroes of the animal kingdom.

Science & Cannabis

E3

Is cannabis a medical cure-all or snake oil? Scientists distinguish the medicine from the myths.

Secret Agents Of The Underground Railroad

E4

How staff at a luxury hotel in Niagara Falls, NY helped ferry enslaved people to freedom.

Walking With Ancients

E5

New archaeological discoveries are challenging our understanding of when the first people arrived in North America, rewriting the human story.

Apocalypse Plan B

E6

Some scientists are proposing radical ways to cool our warming planet – but others say it’s time to restore nature on a global scale.

True Survivors

E7

How have humans survived extreme environmental change in the past? And what will it take to survive what’s next?

Grizzly Rewild

E8

Five orphaned grizzly bear cubs get a second chance at life in the wild, but can they survive without their mother? A groundbreaking study follows the bears to find out if rewilding works.

Bug Sex

E9

Broken genitals and cannibalism. Welcome to the weird and wonderful world of how bugs get busy.

War for the Woods

E10

Thirty years after historic logging protests on Vancouver Island, the battle to protect old growth forests is still raging.

The Secrets of Friendship

E11

Step into the world of 'friendship detectives', who are unravelling the mysteries of social behaviours in humans and other animals.

Woodpeckers: The Hole Story

E12

Inside the secret and rhythmic world of one of nature’s best lumberjacks.

Suzuki Signs Off

E13

For 44 years, David Suzuki has taken us around the world to explore science, technology, and nature – and now for something completely different. End of series.