It's Always Sunny in Philadelphia
Mac Bangs Dennis' Mom
S02E04 - Airdate: 2006-07-06
Runtime: 30 min
Barbara sleeps with Mac to arouse Frank's jealousy, so Dennis decides to seduce Mac's mom as payback. And Frank's decision to put Charlie in charge at the bar prompts an orgy of backstabbing and double-dealing, with sex as the weapon of choice.
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Episode details and rating from TVmaze.