Why Megalodon (Definitely) Went Extinct
7:41
How the T-Rex Lost Its Arms
20:04
Why the Deep Sea Frightens Us
11:58
From the Cambrian Explosion to the Great Dying
25:54
The Insane Biology of: The Orca
19:51
How Big Was Megalodon Really?
12:41
When Sharks Swam the Great Plains
12:21
How Sloths Went From the Seas to the Trees
7:51