It's Always Sunny in Philadelphia: Season 2, Episode 5
Hundred Dollar Baby (13 Jul. 2006)
TV Episode | TV-MA | | Comedy
Inspired by the movie "Million Dollar Baby", Frank teaches Dee to inflict punishment while Dennis and Mac teach Charlie to take punishment. But both fighting careers are derailed by the use of "performance enhancing supplements".
Director:Daniel Attias (as Dan Attias)