In an interview at Comic-Con, Kelly LeBrock said when she did the kissing scene with 14-year-old Ilan Mitchell-Smith he got carried away and stuck his tongue down her throat. Afterwards she told him: 'If you ever do that again I'm going to kick your ass!'
According to Bill Paxton, Chet's line "How about a nice greasy pork sandwich served in a dirty ashtray?" was based on something his father John Paxton used to say to him when Bill was hungover from a night of drinking.
Vernon Wells, who plays the Lord General (lead biker) reprises nearly the same character he played in 1981's Mad Max 2: The Road Warrior (1981). He essentially wears the same makeup, mohawk, mesh tank top, and lots of studded leather.
According to a recent interview on Howard Stern, Robert Downey Jr. cleared up the rumors that he deficated in Kelly LeBrocks trailer. He stated that he and his costar who played Max joked about deficating in people's trailers throughout the shoot. They eventually did it in one the female castmembers trailers however it was not LeBrocks. The director questioned everyone in the cast as to who did it and when he got to Downey he replied "no, but I sure wish it was me who did it". He also stated there was never any tension between him and John Hughes and he highly respected his friendship.
During the scene where Lisa is walking through the mall to get to the front entrance, a different track plays for the HD and non-HD version. On the HD version "Pretty Woman" is playing, while on the non-HD version the title track is playing.
Shermerville was the original name of Northbrook, IL. Home of Glenbrook North High School featured in the outside school shots for Ferris Bueller's Day Off (1986). The village of Shermerville was incorporated in 1901 and renamed Northbrook in 1923.
The film is titled after the anthology comic book series, published in the 1950s by the legendary William M. Gaines and his company EC Comics, which also published Tales from the Crypt (1989) and Mad Magazine. The plot of the film is loosely based on the story "Made of the Future" by Al Feldstein, from the fifth issue. Producer Joel Silver had acquired all EC film rights in the early 1980s.
One of the pictures Gary & Wyatt feed into the scanner to create Lisa is of David Lee Roth. The version of "Pretty Woman" that plays later when Lisa is in the mall was recorded by Van Halen when Roth was the lead singer.
Wyatt has a poster on the wall of his bedroom with the slogan, "The Wave of the Future", from a promotional campaign for a company called VM Software. The picture is based on "The Great Wave off Kanagawa", a wood-block print by the Japanese artist Hokusai (1760-1849).
In the scene where Bill Paxton is speaking to Kelly LeBrock while interrogating everyone over what had happened the previous night, in the background both Deb Synder and Anthony Michael Hall are both struggling to stay in character, but it is clear they are both laughing. John Hughes chose to use this take in the completed film.