Season 4

Episode 1

Jellyfish Invasion

Episode 2

Science des chiens

Episode 3

Ultimate Crocodile

Episode 4

Science of Babies

Episode 5

Mammoth Mystery

Episode 6

Inside the Body Trade

Episode 7

Ultimate Viper

Episode 8

China's Secret Mummies

Episode 9

Last Christians of Bethlehem

Episode 10 · 60 min

Science of Evil

Episode 11

Testosterone Factor

Episode 12

Alaska's Last Oil

Episode 13

Shark Superhighway

Episode 14

Tunnel to a Lost World

Episode 15

Bog Mummies

Episode 16

Science of Cats

Episode 17

Gorilla Murders

Episode 18

Finding Anastasia