Jason Segel, Zach Wahls, Fun
Show: Late Show with David Letterman --> Season: 19 - Season 19
AirDate: 4/23/2012
Runtime:
Voting: 0 (0)

Overview: Dave welcomes Actor Jason Segel from the CBS comedy series 'How I Met Your Mother,' author Zach Wahls, musical guests Fun, and a Top Ten List presented by Chicago White Sox perfect game pitcher Philip Humber.