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?
Genres: Animation , Comedy , Action & Adventure , Sci-Fi & Fantasy
Keywords: anthropomorphism , high-school-friends , park , racoon , slacker , time-travel , watch-TV-series-online-free