Mac (Rob McElhenney) explains his stance on evolution and tries to get the rest of the Gang to believe him.

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In the 14th Season of It’s Always Sunny In Philadelphia, the Gang goes to extremes. Mac learns a new language, Charlie does a period piece, Dennis attempts a one-act play, Dee cuts her hair, and Frank performs a death scene. The show is produced by FX Productions.

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It's Always Sunny In Philadelphia | Season 8 Ep. 10: Mac Evolution Highlight | FXX
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