Carol KaneCarol Kane, who plays Grandmama, is almost a year younger than Anjelica HustonAnjelica Huston, who plays her daughter, Morticia Addams.
In the TV series, [The Addams Family], Fester is Morticia's uncle. In the films, however, Fester is Gomez's brother.
The book that Joel Glicker is holding when he enters the Harmony Hut only for it to be taken away is Stephen HawkingStephen Hawking's A Brief History of Time.
David KrumholtzDavid Krumholtz's character says at one point he has every card for his Serial Killer Card Collections "except Jack the Ripper and that Zodiac Guy." [?] Jack the Ripper and [?] The Zodiac Killer are the real world's most famous uncaught serial killers.
The baby's name, Pubert, was the name originally suggested (and rejected) for Pugsley by Charles AddamsCharles Addams when he was asked by the producers of [The Addams Family] to name the hitherto unnamed characters in his cartoons.