Autopsies on two pythons, one a nine-foot male, the other a 14-foot female. Also: how the snake's flexible jaw enables it to expand its mouth around large prey, including crocodiles; how snakes evolved from four-legged lizard-like creatures.
The dissection of a 15-foot great white shark. Included: its ability to detect electro-magnetic fields given off by other creatures; the origins of its killing bite; the evolution of its teeth and jaws; whether the shark deserves its killer reputation.
The Season 1 finale features the dissections of a lion and tiger. Included: the similarities between the big cats; what enables both to roar; why male lions have distinctive manes.
An examination of a giant squid, which has three hearts, a razor-sharp beak and tooth-covered tentacles.
The dissection of a camel reveals the secret of its hump; and explains why it thrives in the desert environment.