Jason Segel, Zach Wahls, Fun S57E57 - Jason Segel, Zach Wahls, Fun 2012
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.
- Released: 2012-04-23
- Runtime: 50 minutes
- Genre:
- Stars: David Letterman, Paul Shaffer, Alan Kalter
- Director: