Danny DeVito's portrayal of Frank Reynolds is unlike anything we've seen on TV before. It's Always Sunny in Philadelphia holds the title of longest running live action sitcom in history, and that wouldn't be the case without the depraved Frank Reynolds. It's Always Sunny's cast of misfits push the show forward, but Frank Reynolds is the glue holding the gang together. But how exactly did Frank Reynolds save It's Always Sunny in Philadelphia?

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Written by Adam Smith
Edited by Nick Murphy