The odd little 'glove guns' used in the Quentin Tarantino movie 'Inglorious Basterds' are a real thing. Known as the Sedgley OSS .38’s they were originally designed for covert operations and assassinations in the Pacific Theater during WW2.
The shadows on the Velociraptor in this scene in Jurassic Park are DNA nucleotide sequences.
The 1980 film 'Airplane!' was released as "The Incredible Journey in a Crazy Plane" in Germany; "The Craziest Plane in the World" in Italy; and some variation of "Is There a Pilot on This Plane?" in France, Croatia, and Peru.
The handshake in agreement meme is based on this scene from "Predator" and the arms in the meme represent Arnold Schwarzenegger and Carl Weathers respectively.
35Man on the Moon
Whilst filming 'Man on the Moon' at Universal Studios in 1999, Jim Carrey once dressed as Mrs. Bates from 'Psycho' and terrorised a tram of tourists passing the film's sets on the Studio Tour. As a result, the tour has included an actor that slowly approaches the trams as they pass ever since.
36The Princess Bride
In the movie 'The Princess Bride', when Count Rugen knocks Westly played by Cary Elwes on the head the tap came a little too hard and Elwes was knocked legitimately unconscious. He later awoke in the hospital. It's that take, with Elwes actually passing out, that appears in the film.
While filming a scene for the film "Vampire’s Kiss" (1988), Nicholas Cage ate real cockroaches and it was his idea to do so.
38The Simpsons movie
The 2007 film "The Simpsons movie" was outsourced to North Korea's SEK studios.
39The Wizard of Oz
The Wicked Witch in 'The Wizard of Oz' wore extremely toxic paint to make her face green. It contained high levels of copper. Actress, Margaret Hamilton, had to be on a strict liquid diet while filming due to this.
The gangster scene in Home Alone was from a fake movie called "Angels with Filthy Souls" and was specifically shot for Home Alone.