Goof: When Sideshow Bob tells the Simpsons of how he became chief scientist of the Monsarno Corporation, the flashback scene displays a credits sign indicating that the research was funded by Mike Nesmith and Mickey Dolenz, two members of the 1960's music group, the Monkees. However, (Micky) Dolenz's first name is spelled without the "e".
Bart: (snickering) Homo Erectus. Where has that word been all my life?
Ned Flanders: (sighs) I sure do miss that laugh
Nelson the School Bully: (Appearing outside Ned's window) Ha-Ha! I miss her too.
Skinner: (addressing the PTA before Lisa's presentation) One of our brightest and most meddlesome students has called this meeting...somehow.
The episodes ends with a tribute to the late actress Marcia Wallace, who voiced Edna Krabappel passed away on October 25th, 2013. Ned Flanders dreams about being with his late wife.
Show Title: Ned Flanders being carried away by a gargoyle.
Billboard and Chalkboard Gags: None.
Couch Gag: Not set on the couch, but the planet Earth forming its land masses with each face of the Simpsons, with Maggie's mouth as an erupting volcano. Suddenly, the whole world is destroyed when an asteroid bearing the image of Moe appears, who is left alone to make a brief snickering laugh.
The title of this episode is a take on the 1956 suspense film The Man Who Knew Too Much. The movie was directed by Alfred Hitchcock and starred James Stewart and Doris Day. The movie is a remake of a 1934 film also directed by Hitchcock.