Aired: 1/6/2023
North Atlantic right whales are on the brink of extinction. Follow the fight to save them.
Aired: 1/13/2023
Remarkable superpowers make rats the evolutionary heroes of the animal kingdom.
Aired: 1/20/2023
Is cannabis a medical cure-all or snake oil? Scientists distinguish the medicine from the myths.
Aired: 2/3/2023
How staff at a luxury hotel in Niagara Falls, NY helped ferry enslaved people to freedom.
Aired: 2/10/2023
New archaeological discoveries are challenging our understanding of when the first people arrived in North America, rewriting the human story.
Aired: 2/17/2023
Some scientists are proposing radical ways to cool our warming planet – but others say it’s time to restore nature on a global scale.
Aired: 2/24/2023
How have humans survived extreme environmental change in the past? And what will it take to survive what’s next?
Aired: 3/3/2023
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.
Aired: 3/10/2023
Broken genitals and cannibalism. Welcome to the weird and wonderful world of how bugs get busy.
Aired: 3/17/2023
Thirty years after historic logging protests on Vancouver Island, the battle to protect old growth forests is still raging.
Aired: 3/24/2023
Step into the world of 'friendship detectives', who are unravelling the mysteries of social behaviours in humans and other animals.
Aired: 3/31/2023
Inside the secret and rhythmic world of one of nature’s best lumberjacks.
Aired: 4/7/2023
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.