S02E04: Oceans
Deep beneath the water's surface, the world's largest predator—the Mosasaurus—lies in wait to ambush unsuspecting prey.
Previous Episode 
Season 1
Coasts
S1E1 / 23 May 2022
Deserts
S1E2 / 24 May 2022
Freshwater
S1E3 / 25 May 2022
Ice Worlds
S1E4 / 26 May 2022
Forests
S1E5 / 27 May 2022
Season 2
Islands
S2E1 / 22 May 2023
Badlands
S2E2 / 23 May 2023
Swamps
S2E3 / 24 May 2023
Oceans
S2E4 / 25 May 2023
North America
S2E5 / 26 May 2023
Season 3
The Big Freeze
S3E1 / 26 Nov 2025
New Lands
S3E2 / 26 Nov 2025
Desert Lands
S3E3 / 26 Nov 2025
Grass Lands
S3E4 / 26 Nov 2025
The Big Melt
S3E5 / 26 Nov 2025
