Jimmy and Denis Leary Can't Stop Laughing (Web Exclusive)

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Denis Leary accidentally calls out Jim Gaffigan as one of the comedians performing at his charity event Comics Come Home, but he and Jimmy can't stop laughing long enough to correct the mistake in this unaired clip.

Appearing:Jimmy Fallon
Tags: The Tonight Show, Jimmy Fallon, Jimmy, Denis Leary, Can't Stop, laughing, Web Exclusive
S5 E204 minWeb ExclusiveTalk and InterviewLatenight