Jackass star Johnny Knoxville stops by to reminisce about some of his wildest stunts and his most memorable moments as a young man disguised as an old man.

Big Black

S1 E3

Christopher "Big Black" Boykin joins the panel to break down makeshift thrill rides and find out how human scorpions sting in a whole different way than spiders.

Matthew Mounce

S1 E6

Karate expert Matthew Mounce helps Rob, Steelo and Chanel break down some bad karate.

Jeff Tremaine

S1 E7

Jackass co-creator Jeff Tremaine joins Rob to break down what it means to "lawn chair and slam," and Rob provides helpful ways to know if your friend is a jerk.

Ryan Dunn

S1 E12

Jackass star Ryan Dunn joins the panel as Rob points out the problems with lower education.