Homer is supposed to appear on The Tonight Show during Jay Leno’s monologue. In keeping with the show’s spirit, Homer will not tell any jokes or be funny in any way. [Simpsons Channel]
Mr. Mann, whose subjects have included underground cartoonists (“Comic Book Confidential”) and avant-garde jazz musicians (“Imagine the Sound”), takes a light, zippy approach to his material. His main conceit is to have much of the story told by the hot rods themselves, voiced by sympathetic celebs like Jay Leno (a car and motorcycle hobbyist), the Smothers Brothers, and “Simpsons” creator Matt Groening, with John Goodman as the disembodied voice of Big Daddy himself, speaking to us from the great body shop beyond.