Mordeby and Rigbecai
Show: Regular Show --> Season: 8 - Season 8
AirDate: 10/14/2016
Runtime: 11
Voting: 9 (1)

Overview: Mordecai and Rigby's butts get swapped after playing with a teleportation machine. Over time, the swapping spreads to other features, so they enlist Muscle Man for help.