When Dennis marries his high school sweetheart, he realizes he needs to get a divorce in "Dennis Gets Divorced."
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Mac fights gay marriage when it gets in his way in the season six premiere of Always Sunny.
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The cast of It's Always Sunny in Philadelphia look hilarious as ever on their tricycles.
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Charlie goes over to the McPoyles after they accuse their old high school gym teacher a molester.
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When the gang discovers an old man died in their bar, Dennis and Mac try to abuse the situation to get some.
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After Paddy's gets robbed, the gang picks up a gun for their protection.
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When Dennis swings by to pick up a ball, Charlie tells him they he has cancer.
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The gang ends up going to prom after they open up the bar to underage drinkers.
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It's Always Sunny Quotes

Principal: I'm a little confused, are you telling me this photo of Bruce Jenner is your resume?
Charlie: Well, when I showed up this morning I didn't have a formal resume on me so i was sort of hoping the photograph of Mr. Jenner could represent the standard of excellence I'm hoping to bring to his position.
Principal: And you're looking for a job as a substitute teacher?
Charlie: Substitute janitor.

Frank: When it's white people, it's surviving. When it's black people, it's looting.
Dee: No Frank. It's because the white people are stealing bread and the black people are stealing speakers.