"People say what are Underground Comics, and the best way to define them is the absolute freedom. Thatís involved, and that is important. People forget that what it was all about. Thatís why we did it. It's because we didnít have anyone standing over us telling us ĎNo you cant draw this, you canít show that, you canít make fun of Catholics, you canít make fun of this or thatí. We just drew whatever we wanted, and throughout the process we had to break every taboos first and get that over with. Drawing racist images, sexual perversions, making fun of attorney figures, all of that and getting down with business. "Ever wondered how comic books began with its various amount of origins? This is the film that does that. Ron Mann, who has been known for the documentary Imagine that sound, decided to do a documentary film on comic books. Comic Book Confidential talks about the comics through the 1930s up to the 1980s, including interviews with a variety of cartoonists who talk about the origins of their creations as well the history of comics. The cartoonists are Will Eisner, Frank Miller, Stan Lee, Dan OíNeil, Harvey Pekar, Spain, William M. Gaines, Jamie Hernandez, Gilbert Shelton, Robert Crumb, Art Spiegelman, Shary Feleniken, Al Feldstein, Jack Kirby, Harvey Kurtzman, Paul Mavrides, Sue Coe, Charlie Burns, Lynda Barry, Victor Moscoso and FranÁoise Mouly. This film is a must-watch for comic book fans who are interested in how it all began.
—Robert Crumb on explaining what are Underground Comics.