Free Cake Regular Show : Season 1 Episode 5
TV-PG Cartoon Network 23m int(0)
Aired: October 4th, 2010 @ 7:30 PM EST on Cartoon Network
When Rigby digs up a good-looking plate from the garbage, he and Mordecai decide to use it by eating a piece of chocolate cake on it. As their efforts prove fruitless, they decide the only way forward is to convince the solitary Skips to have a birthday party.