A 2.5-minute promotional featurette can be found by playing Title 2 on the disc. (There does not seem to be any way to access this featurette through the menu system.)
From the "Bonus Materials" menu's second page, click on "Cast and Filmmakers". Once in, go to the second page and click on Ron Howard's entry. Now, advance to the fourth page, where you can access the trailer for Howard's film "Apollo 13".
Reviews: DVD Talk also has a review of
EDtv: Collector's Edition by Aaron Beierle.