It's Always Sunny in Philadelphia Season 5 Episode 9
Episode Title: Mac and Dennis Break Up
Genre:
Comedy
Countries:
United States,
Airing Date: November 12, 2009
Runtime:30 min
IMDb Rating:
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Taking Dee's advice seriously, Mac and Dennis decide that they're too co-dependent on each other and need to spend time apart. Meanwhile Charlie and Frank help Dee out with a major cat problem in her apartment.