Regular Show

Season 2, Episode 18

Episode Title: Do Me a Solid

Air Date: 2011-05-02

Overview:

When Mordecai forces Rigby to go on a double-date with Eileen, Margaret and himself, Rigby accepts, but only if Mordecai owes him ten "solids", or "instant-favors", and plans to use them to sabotage Mordecai's date.