When being conned, Flanders says "Wait a minute, this seems awfully like that movie Paper Noon"
Kent Brockman signs off his newscast by saying, "Goodnight, and have a pleasant tomorrow." The same signoff is used for Weekend Update on "Saturday Night Live."
Homer takes Bart to a prison and says, "I'd like to scare my son straight."
Grandpa says "This scam was in The Sting: Part II so nobody knows about it!"