The plot is a play on the film about women who receive a letter saying that one of their friends has run off with one of their husbands.
Apu plays "O Mere Sona Re Sona Re" on the radio
Ralph's reply "The Ruth!" to Homer's and Apu's search for "The truth!" from Rev. Lovejoy
Otto (on drugs) sees everyone as the Cars characters
mentioned by Manjula
The black & white Itchy and Scratchy cartoon where the rocket crashes into Scratchy's head.
main plot involving Moe's letter to three men is a parody of this movie's plot
Otto hallucinates, seeing "Cars"-like automobiles driving around and crashing into things.