It's Always Sunny in Philadelphia › Season 4

S4 E7: Who Pooped the Bed?

Charlie and Frank awake to find poop in their bed. Neither will confess to being the owner, so they, Mac, and Dennis try to scientifically deduce who dropped the deuce. Dee wants to do something a bit more sophisticated, so she invites the waitress and Artemis to a girls' night out.

Air date	Oct 9, 2008
Runtime	21 minutes
TMDB rating	★ 8.4/10