Reptile's Beginnings Walking with Monsters : Season 1 Episode 2
Not Rated BBC Three 30m
Aired: November 5th, 2005 @ 9:00 PM EST on BBC Three
The reptiles evolve, and the race for survival continues on land. Giant arthropods lurk in the Carboniferous forest, and sail-backed mammal-like reptiles fight for the survival of their young in the Permian.
