The One with Mac and C.H.E.E.S.E.

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Friends - Season 6 - Episode 20 - The One with Mac and C.H.E.E.S.E.

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A short plot of this Friends episode:
Joey auditions for the lead in a TV show about a detective and his robot sidekick; however, when Chandler forgets to tell him that the time of the audition has changed, Joey is furious and the two look back over their friendship.