Jason Alexander, Lewis Black, Eric Idle, Phyllis Diller and Bob Saget are just a few of the comedians who tell variations on the same joke — purportedly the dirtiest in history — in this one-of-a-kind documentary from directors Penn Jillette and Paul Provenza. (86 min, NR)

Web: http://www.apple.com/trailers/independent/the_aristocrats.html

This article appears in Feb 1-7, 2006.