Best Son Challenge with Rob Lowe and His Sons

CLIP07/24/17
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Jimmy asks Rob Lowe's sons Matthew and John Owen a series of random questions about their dad to determine which son knows him best.

Appearing:Jimmy Fallon
Tags: The Tonight Show, Jimmy Fallon, Best Son Challenge, Rob Lowe, sons
S4 E1756 minHighlightTalk and InterviewLatenight