When Sea Turtles Grew to the Size of Rhinos
8:49
Megarachne the Giant Spider that Turned Out to be a Sea Scorpion
8:55
When Crocodiles Swam The Oceans
9:13
How Fish Came on to Land
16:08
Why Evolution Has Screwed Sea Turtles (And So Have We)
9:35
The Habitat That Made The Largest Snake Known
12:41
When Sharks Swam the Great Plains
11:24
Evolution of Plesiosaurs
26:51