Space Emperor / Funny Face

T1, E102: Space Emperor: When Uncle Grandpa accidentally unleashes a floating Funny Face that's so funny you laugh yourself to insanity, the guys realize that only Gus' seriousness can save them, but will he help them after they've hurt his feelings? / Funny Face: When Uncle Grandpa mistakes a kid in a costume for an evil space emperor, he sends him to another dimension where he becomes an actual evil space emperor, and Uncle Grandpa must figure out some way to bring him home.