It's Always Sunny in Philadelphia S10E05 - The Gang Spies Like U.S.
It's Always Sunny in Philadelphia (2005)
S10E05 The Gang Spies Like U.S.
Episode Overview
Title: The Gang Spies Like U.S. Plot: Dennis and Mac recruit Dee to gather intel on the fish factory located across the street. Meanwhile, Charlie and Frank start to get curious about their friends' activities and plot to conduct their own investigation.