Comedian Lewis Black presents a "history of the joke" while trying to find the greatest joke ever told.
Released: 2008-02-28
Runtime: 120 minutes
Genre: Comedy, Documentary
Stars: Lewis Black, Dave Attell, George Carlin, Kathy Griffin, Patton Oswalt, Brian Posehn, Iliza Shlesinger, Penn Jillette, Teller, Aisha Tyler, Kathleen Madigan, Jeff Dunham, Mitch Fatel, Robin Williams