Aired: February 26, 2013 | Season: 4 | Episode: 17

Overview
Runtime: 11m
Directed by:
Written by: Calvin Wong, Toby Jones
Description
When Mordecai and Rigby meet a caveman, they decide to put his unique prehistoric physique to good use: chugging cheese! But could this caveman actually turn out to be a Neanderthal nuisance?