Hidden Revenge of the Jedi Trailer:
Insert the 'Bonus Materials' disc and access the 'Trailers' option. Once there, highlight Return of the Jedi and press UP. Where it once said "Trailer" it will now read, "Revenge Trailer". Select it to reveal the unused teaser trailer for "Revenge of the Jedi", which was eventually renamed Return of the Jedi!
Reviews: DVD Talk also has a review of
The Star Wars Trilogy by Holly E. Ordway.