Insert the bonus disc and go to [Video Games and Still Galleries]. From there press on your remote control:
11 (press enter)
3 (press enter)
8 (press enter)
This reel runs for over 4 minutes and features footage from all three films.
Insert the bonus disc. From the [Main Menu], select the [Trailers and TV spots] option. Press 1138 on your remote. Where "trailer" once appeared, it should now say, "Revenge Trailer". Select it to reveal a hidden trailer for "Revenge of the Jedi" before it was renamed to "Return of the Jedi".
On each movie disc, when the "Warning" screen is showing, hit the following buttons on your remote to gain access to a different menu: