Trivia: The big fight scene is spoofed in "South Park" when the crippled kids Timmy and Jimmy fight, instead of the film's Nada and Frank. The episode is called "Cripple Fight".
Trivia: Recycled footage from the first film is used in the intro, specifically when the spaceship arrives.
Trivia: The role of Klownzilla the King Klown was played by Charles Chiodo, who helped write the story.
Trivia: Comedian Paul Rudd had a running gag for many years where, whenever he'd appear on Conan O'Brien's late-night talk show, he'd set up a clip for a film he was promoting... and then instead show the infamous clip from "Mac and Me" in which Eric falls over a cliff in his wheelchair, and the alien Mac pops up in the foreground. The gag ended up going on for 17 years.
Trivia: In this movie, bounty-hunter Lee attempts to transform into Freddy Kruger, in A Nightmare Of Elm Street 3, the woman that plays Jennifer watches Critters 1 on TV.