Trivia: Samuel Jackson spotted that the eye patch his character wears in the movie switched eyes in the promotional posters announcing the movie in Los Angeles.
Trivia: The "old gangster movie" that's on the TV in Harry's apartment is the fictional movie "Angels with Filthy Souls," which was seen in the movie "Home Alone." The director wanted a detective movie for the scene, and said: "We needed something and I hadn’t figured out what I was going to put on that TV yet...Just as a laugh, we got the movie that they shot for Home Alone off of YouTube...We could never beat it!"
Trivia: In the talk show dream sequence, Paul McCartney and Ringo Starr are introduced, and there is a shot of their two pairs of feet, one of which is barefoot. This is a reference to the cover of the album Abbey Road in which Paul is the only Beatle barefoot.
Trivia: This is the first non-English language film to win the Academy Award for Best Picture.
Trivia: Jim Carrey was the first choice for the role of the Genie, but had to decline due to his recent involvement in a civil lawsuit.
Trivia: K Callan, who plays Christopher Plummer's mother in this film, is actually six years younger than Plummer in real life.
Trivia: Ella Balinska performed many of her own stunts in this movie.
Trivia: The director only came across Jonathan Pryce because he was searching for photos of Pope Francis, and the two people were frequently being compared as they look so similar. He looked into Pryce's body of work and realised he'd be an excellent choice for the part.
Trivia: The film had a surprisingly fast production schedule. While the movie was announced shortly after the previous film, filming didn't begin until the end of January, 2019. The movie wrapped in May - only seven months before the release. By contrast, the previous film, "Welcome to the Jungle," wrapped filming a full year before release.
Trivia: Series star Warwick Davis reportedly turned down the opportunity to star in the film. He stated that as he now has children, he wanted to focus on non-horror projects for the time being. Though he also hinted that he would like to return to the genre once his kids get older.
Trivia: When Tallahassee and Columbus are navigating the abandoned mall, they pass a poster for "Garfield 3."
Trivia: The short tune Noelle sings to bring Snowcone to her is the same tune Anna Kendrick sings in Into the Woods when she played Cinderella.
Trivia: When Charlie throws out a Viking in the air, the Viking lets out a Wilhelm scream.
Trivia: In the opening scene, Mr. Newman told Max, "Please be nice to your sister. Help your mom, and do not touch the drone." During this 90-minute movie, Max's mom Amy says three words ("Winter is coming") and is on-screen less than 10 seconds. Max's sister (not named) does not appear at all. (00:02:03 - 01:02:28)