Behind the Bites: This special episode spotlights the most compelling and dangerous moments from Adam and Caveman Rob's journey to expand upon Justin Schmidt's original pain index.
Point of the Dead: A dangerous underwater hunt for a potentially deadly scorpion fish in the Baja California ocean leads to a toxic sting that puts Adam in danger.
Execution Day: Adam and Caveman Rob wrap up the season in Indonesia, with the two worst bites to date, from a giant Asian centipede and a 16-foot reticulated python.
Stinging Punishment: Adam and Caveman Rob head to South Africa to face the giant bark scorpion, the tiny uroplectes scorpion, and the highly venomous lion fish.