Trivia: The teacher who greets Mr. Stine at the end of the film is played by the real-life R.L. Stine in a cameo. Furthermore, his character's name is "Mr. Black," a reference to Jack Black, who plays R.L. Stine in the film.
Trivia: While the film was always meant to be something of a horror-comedy, director M. Night Shyamalan supervised three versions of the film during editing- one played mostly for horror with little comedy, one played mostly for comedy with the horror downplayed, and one that tried to balance both tones equally. The version that balanced horror and comedy equally is the final version released in theaters.
Trivia: The only entry in the stand-alone "Scorpion King" series to have a returning actor portraying the titular Scorpion King. Victor Webster portrayed the character in both this entry and the third film. The character was played by Dwayne "The Rock" Johnson in the first film (as well as in a cameo in "The Mummy Returns", to which the first film served as a spin-off) and Michael Copon in "The Scorpion King 2."
Trivia: Adjusted for inflation, Ex Machina is the lowest-budgeted winner of the Academy Award for Best Visual Effects in history. In 2019, its budget comes to around $16 million, with the closest equivalent being the $41 million of Cocoon (1985).
Trivia: Apart from the two leads, Tom Noonan voices every character (male or female) in the film.
Trivia: The version of Batman in the universe of this movie is called Kirk Langstrom. In the original DC universe, Kirk Langstrom is actually the alter ego of one of Batman's villains, known as the Man-Bat.
Trivia: The only entry in the series not to feature an appearance by series star Katie Featherston. She reportedly wasn't interested in reprising her role after finding out how the story would end, feeling it wasn't a good conclusion to the series.
Trivia: Futurama's "Anthology of Interest II" episode contained a segment called "Raiders of the Lost Arcade" where Fry asks what would happen if life was more like a video game. In the segment, video games come to life and attack Earth, and it's up to Fry to save the day because of his video game playing skills. Billy West, who voices Fry, later performed voices in "Pixels", which was based on this premise.
Trivia: Rachael Carpani plays Cathy, the mother of Bart (James Maslow). In real life, Carpani is only ten years older than Maslow.
Trivia: New Line Cinema had tried to re-work this film into a sequel to David Fincher's "Se7en" for some time, but nobody involved in the making of that film wanted to work on a sequel - especially one with a supernatural element. It was eventually made under its original title and without any connection to the Fincher film.
Trivia: Look at the spaceship at the top of the junk pile behind the leader of the Intergalactic Society of Superior Beings. It is the same spaceship that scoops up Brian from "Monty Python's Life of Brian."
Trivia: At the end of the film, when Katniss and Peeta are enjoying their life together, their two children are played by Jennifer Lawrence's real-life nephews Bear and Theodore.
Trivia: Although Emma Thompson plays Robert Carlyle's mother, she is only two years older than Carlyle in real life.