Trivia / The Simpsons S 21 E 10 Once Upon A Time In Springfield

• Life Imitates Art: Just as Peneleope is a fan of Krusty, Anne Hathaway (who voices Penelope) is a fan of The Simpsons since the Simpsons debuted on The Tracey Ullman Show.
• Posthumous Credit: Eartha Kitt recorded her dialogue for this episode a year before her death in December 2008.