The Gang Spies Like U.S. It's Always Sunny in Philadelphia : Season 10 Episode 5
TV-MA FXX 22m
Aired: February 11th, 2015 @ 10:00 PM EST on FXX
Dennis and Mac enlist Dee to spy on the fish factory across the street, Charlie and Frank grow suspicious and decide to do some spying of their own. Written by David Hornsby; directed by Matt Shakman.
