In a Bolivian jungle, Adam and Caveman Rob pursue the fabled Executioner Wasp, Warrior Wasp, and Gol...

Adam and Caveman Rob head to South Africa to face the giant Bark Scorpion, the tiny Uroplectes Scorp...

In Africa, Adam and Caveman Rob search for the Nile Monitor Lizard and the Velvet Ant but are attack...

In Africa, Adam and Caveman Rob search for the Nile Monitor Lizard and the Velvet Ant but are attack...

An underwater hunt for the possibly deadly scorpionfish in the Baja, ocean leads to a toxic sting th...

A wildlife biologist and professional animal handler get bitten and stung by some of the most danger...

The guys encounter two legendary creatures of the Amazon: the Bullet Ant and the Piranha. After hour...

Adam and Caveman Rob wrap up the season in Indonesia, with the two worst bites to date, from a Giant...

The crew finds out that the swamp may be manmade.

Adam and Caveman Rob take on America’s biggest and most deadly scorpions. But their surprising resul...

Adam has a phobia of tarantulas, so naturally Caveman Rob picks two of the world’s nastiest ones for...

Adam and Caveman Rob get bitten by one lizard whose venom is in doubt–but not its ability to latch o...

In a tribute to the godfather of the Pain Index, Dr. Justin Schmidt, Adam and Rob tangle with a new...

Adam thinks he’s getting his revenge on Rob for selecting tarantulas earlier this season by programm...

Some of the most painful animals can be found in your very own backyard. Rob and Adam take on an Ass...

Rob and Adam test the pain dished out by a trio of unlikely creatures commonly kept in home aquarium...

Rob and Adam test the Yellow Head Moray Eel for possible venom effects, but must resort to a risky,...

It's America vs Australia in a battle royale of pain administered by sharks. After getting stung by...