E1 - Last of the Right Whales

Aired: January 06, 2023

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

E2 - Rat City

Aired: January 13, 2023

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

E3 - Science & Cannabis

Aired: January 20, 2023

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

E4 - Secret Agents Of The Underground Railroad

Aired: February 03, 2023

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

E5 - Walking With Ancients

Aired: February 10, 2023

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

E6 - Apocalypse Plan B

Aired: February 17, 2023

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

E7 - True Survivors

Aired: February 24, 2023

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

E8 - Grizzly Rewild

Aired: March 03, 2023

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.

E9 - Bug Sex

Aired: March 10, 2023

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

E10 - War for the Woods

Aired: March 17, 2023

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

E11 - The Secrets of Friendship

Aired: March 24, 2023

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

E12 - Woodpeckers: The Hole Story

Aired: March 31, 2023

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

E13 - Suzuki Signs Off

Aired: April 07, 2023

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.