Princess Penelope says "We'll always have Sideshow Mel's dressing room."
At the end, Princess Penelope sings "Moon River", which was written for this movie.
Eartha Kitt references her Catwoman character.
Ralph dresses up as Princess Leia and says, "I'm a Star Wars."
Kent Brockman mentions that one of Penelope's middle names is "Mulan."
Milhouse says, "First, girls ruin 'Sex and the City,' and now this."
Bart says, "Think how awesome 'American Idol' would be with just Simon and Randy."
Promoted as the 20th anniversary episode of the show, after Homer Simpsons 'Top Ten List' presentation.