The Blue Realm

Superb HD imagery, engaging stories and interviews with leading marine scientists take viewers on extraordinary journeys of discovery about the amazing creatures of the sea.


Air Date: April 02, 2019 - 44:41
Since the 1970's, sea lion populations have declined more than 80% along the North Pacific coast. Scientists at the University of British Columbia and the Vancouver Aquarium are working to save Canada's largest pinniped - the stellar sea lion.
Air Date: March 26, 2019 - 44:28
Believe it or not, many scuba divers want to see great whites up close, and photographers want dramatic shots. But how do you get the sharks to where you want them?
Air Date: March 19, 2019 - 44:43
There's no doubt sharks have an image problem. And they're certainly in trouble globally. The population of some species has declined by more than 90% due to over fishing. But there's still one place in the world where sharks thrive - the Bahamas.
Air Date: March 12, 2019 - 44:51
Around the globe, thousands of decommissioned naval vessels rot in dockyards. What can you do with these toxic time bombs? One solution is to clean them well, blow them up and sink them!
Air Date: February 28, 2019 - 44:36
They're beautiful - and deadly, with venomous spines that resemble a lion's mane. They're lionfish, a tropical reef species normally found in the Indo-Pacific