Trivia: Fantastic Four creator (and Marvel editor-in-chief) Stan Lee has a cameo as Willy Lumpkin, the Four's mailman. It was his only Marvel movie cameo based on an actual comic character.
Trivia: As Obi-wan and Anakin deliver Palpatine to the Jedi Council on Coruscant, look carefully at the lower right-hand part of the screen and you'll see the Millennium Falcon landing as well (confirmed by George Lucas).
Trivia: Gene Barry and Ann Robinson, stars of the 1953 version of this movie, make a small cameo in this movie as Mary Ann's parents. They are at the end when the whole family is reunited.