Trivia: Clark Griswold in the attic watching old movies dressed in a woman's turban and gloves to keep warm is not only funny but a reference to the Norma Desmond character from "Sunset Boulevard", who watches her old films to remember her Hollywood glory days.
Trivia: In an interview, the director stated that hoverboards were real, but they weren't on the market because parents didn't like the idea of floating children. He said this as a joke, but this didn't stop mass hysteria as thousands of kids went from store to store looking for hoverboards.
Trivia: The sound of Vigo growling is exactly the same growl that the terror dogs from the first Ghostbusters make.
Trivia: The scene where Macaulay Culkin was waiting at the door for the babysitter and imagined the three burglars was the scene that inspired the box-office hit, Home Alone. (01:16:10)
Trivia: During one of Stanley's Clubhouses, Stanley sprays whipped cream into an audience member's mouth. This is Dr. Demento, the first DJ to put Weird Al on his station. (00:54:50)
Trivia: In the famous faked orgasm scene, the woman who says, "I'll have what she's having. . ." is Rob Reiner's mother.
Trivia: At 80 years old in 1990, Jessica Tandy became the oldest actress to win an Oscar for "Best Actress" and the oldest person to win an Oscar in an acting role.
Trivia: Bernie's two story house was built specifically for this movie at a state park in North Carolina, but was torn down right after filming, as per the agreement before filming.
Trivia: In this film, to get back at Kathleen Turner, Michael Douglas saws off all the heels of his wife's shoes; in the film "Romancing the Stone", which was filmed earlier, Michael Douglas, using a machete, chops the heels off Kathleen Turner's shoes for practical purposes.
Trivia: Gromit was originally supposed to be a cat, but it was decided that a dog was easier to sculpt from plasticine.
Trivia: On the promotional movie poster, a frazzled Steve Martin is shown holding 2 children upside down by their ankles. On the set, sometimes the children would get unruly, so as a joke, Steve Martin once grabbed 2 of the unruly children and actually held them upside down by their ankles. Director Ron Howard saw this and decided it would make a funny promotional picture, so that's where he got the idea for it.
Trivia: Take a look at the tall Redfeather girl who pals around with the shorter blonde one- it's a young Tori Spelling.
Trivia: Peter Jackson ran out of budget money during production, so the Vietnam flashback was filmed, under a separate budget, as 'The Frogs of War', and then incorporated into the film.
Trivia: There is a scene where the camera slowly pans, facing the floor of a grocery store, until we see a pile of newspapers waiting to be sold with the headlines describe a heat wave invading the city. This shot reportedly took weeks to film to get the proper lighting.
Trivia: Mollie's father was played by Louis Heckerling, father of the film's director Amy Heckerling.
Trivia: This movie is best known for being the final movie of Bette Davis. She died eight months after the movie's release.
Trivia: Sean Connery plays Dustin Hoffman's father in the movie, even though in real life he's only seven years older than Hoffman.