Once Upon a Time in Springfield/References

General

References/Trivia

Appearances

Gags

Credits

Quotes

Trivia

• This episode aired during the closing celebrations of the Simpsons 20th Anniversary with The Simpsons 20th Anniversary Special in 3-D on Ice.
• Anne Hatheway did the voice for Princess Penelope.
• The episode was ranked the worst episode of the entire Simpsons show, as per IGN.com and IMDB.com.