About the film
The Comedians of Comedy is a stand-up comedy tour featuring comedians Patton Oswalt, Zach Galifianakis, Brian Posehn and Maria Bamford that was documented in a 2005 film and 2005 Comedy Central television series of the same name, both directed by Michael Blieden. After Zach Galifianakis left the tour, he was replaced by comedian Eugene Mirman.
From the film's Wikipedia article (CC BY-SA 4.0).