The Origin of Ass Crackers

{{Commentary
 * screenshot=
 * season= 3
 * episode= Werewolf vs. Unicorn
 * segment= Seth's Revenge
 * length= :16
 * commentators= Seth Green, Matthew Senreich
 * summary= Why does the phrase "ass crackers" keeps popping up in Robot Chicken?
 * trivia=


 * goofs=


 * previous= Interacting With Keith and Mike
 * next= Zombifying the Cast