During the development of “Tombstone”, screenwriters Kevin Jarre and Peter Sherayko disagreed on the make and model of the sheriff’s pistol. So, to end the argument, Sherayko tracked down and bought Johnny Behan’s real-life pistol, a 4-inch Colt Sheriff’s Model, for the sherif to use.
In “Ratatouille” the animated chefs have burns and scars on their arms, like many chefs in real life due to working with boiling water, open flames, knives, etc.
Engineer Alex Weinberg stated that “Final Destination 5” actually has one of the most realistic bridge collapse scenes in film. He explained that a suspension bridge held by vertical cables would have the cables break one by one, forcing the bridge to collapse piece by piece rather than all at once.
“The Truman Show” includes scenes with Vitamin D supplements seen in his home because someone who lives under a dome wouldn’t receive enough sun exposure, giving them a Vitamin D deficiency.
In the end of “Titanic”, Jack and Rose “reunite” by the clock which reads 2:20: the exact time the Titanic ship sank.
In “The Matrix Reloaded”, Trinity uses real life hacking tool “Nmap” in order to access the city’s power grid. The creator of Nmap, Gordon Lyon, actually praised the scene’s accuracy.
“Inside Out’s” depiction of memories is actually scientifically accurate. According to psychologists, the emotions that come with our memories can be altered depending on our mood.
In “The Princess Bride”, the people talked about by Inigo Montoya and the Man in Black during their sword fight are all actual Renaissance era fencing masters.
All of the equations you see on “The Big Bang Theory” are mathematically correct thanks to the show’s “science consultant”, professor David Saltzberg.
In “The Darkest Hour”, Gary Oldman smokes “Romeo Y Julieta” cigars, the exact cigars Winston Churchill smoked from Havana, Cuba.
In Wes Anderson’s “Isle of Dogs”, many of the scenes have vivid color while others are more washed out. The washed out scenes are those from a dog’s point of view because dogs are colorblind. More specifically, they mostly see shades of blue or yellow.
In “Pulp Fiction” Vincent Vega (John Travolta) is always in the bathroom because constipation is a side effect of heroin abuse.
In “Kingsman: the Secret Service” the poisoned drinks can be seen shaking after the camera cuts back to them, showing that Eggsy made the switch.
In “American Horror Story: Asylum”, the torture “treatments” used to cure patients are all real-life treatments used by old mental institutions. Minus the alien experiments of course.
In “Django Unchained”, after Django kills Big John, he picks up the gun carried by Little Raj. It was loaded with five shots instead of six because it was safer to carry old single-action revolvers with the hammer down on an empty chamber.