It's Always Sunny in Philadelphia - Full Series Information, Trailer & IMDb Reviews
Watch It's Always Sunny in Philadelphia Season 2 Episode 5 online. Maybe available on Youtube, Netflix, PrimeVideo, Hulu, Disney and other legal streaming platforms.
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".