Trivia: The president of Venezuela says, "Have you seen the autotune on YouTube?" The video is never shown, however if you wait until the end credits the autotune plays as a credits song.
Trivia: "Keeping Up with the Joneses" was originally meant to be a sequel to the film "Mr. And Mrs. Smith," with Brad Pitt and Angelina Jolie both intended to return. However, Pitt and Jolie were dissatisfied with the screenplay and dropped out. Eventually, all connections to that film were dropped and the movie was retooled to be a stand-alone film.
Trivia: Brent Spiner performed the majority of his scenes alone, with no other principal actors on the set. In fact, Spiner is digitally inserted into some scenes where he appears with other principal actors.
Trivia: When Tripp is talking to his truck and he says "you'll have the heart of an elephant", it refers to the nickname hot rodders called the 426 Hemi V8 from 1966-1971, called the "Elephant Motor" for its massive size and weight. It also made 425 horsepower, which Tripp incorrectly states that the engine he pulled out of the truck made.
Trivia: When one of the Galactic Rangers' robots falls off a platform, he yells a Wilhelm scream.
Trivia: Although Tommy Lee Jones is third billed, he does not appear until 71 minutes into the movie.
Trivia: In his address to his crew, Nicholas Cage says "Without me, you are worthless. You are my crew. And without you, I am worthless." This line is borrowed from Full Metal Jacket (1987): "Without me, my rifle is useless. Without my rifle, I am useless."
Trivia: This is the only movie of the series where Scrat never interacts with the main heroes.
Trivia: While no official explanation was given as to why the planned theatrical release was canceled, it has been speculated by insiders that Universal bailed on the release due to the large number of franchise-based Sci-Fi and action films being released in 2016 providing too much competition for an original property such as "Spectral", as well as Universal being leery over the project after the disappointing domestic box office of one of their other major 2016 releases, "Warcraft."
Trivia: When a human warrior is pulled from his horse and thrown to the ground by an orc during the first battle between the orcs and the humans, he yells a Wilhelm scream.