Marge's line "I didn't say that for clapping" is a reference to a speech given by John Wayne while he was intoxicated.
The 'Long Island Ice Tea' which is offered to Marge in the magic show, is Matt Groening's favorite drink.
Magic Palace", the magic-themed restaurant that the Simpsons visit in the beginning of the episode, is a parody on The Magic Castle, a nightclub in the Hollywood district of Los Angeles, California.
The book title, A Child's Garden of Cons, is a parody of A Child's Garden of Verses.
Blackboard: "The nurse is not dealing"