Season 62

1. Last of the Right Whales

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

2023-01-06 • ? min

2. Rat City

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

2023-01-13 • 44 min

3. Science & Cannabis

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

2023-01-20 • 44 min

4. Secret Agents Of The Underground Railroad

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

2023-02-03 • 44 min

5. Walking With Ancients

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

2023-02-10 • 44 min

6. Apocalypse Plan B

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

2023-02-17 • 44 min

7. True Survivors

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

2023-02-24 • 44 min

8. Grizzly Rewild

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.

2023-03-03 • 44 min

9. Bug Sex

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

2023-03-10 • 44 min

10. War for the Woods

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

2023-03-17 • 44 min

11. The Secrets of Friendship

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

2023-03-24 • 44 min

12. Woodpeckers: The Hole Story

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

2023-03-31 • 44 min

13. Suzuki Signs Off

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.

2023-04-07 • 44 min