The original raw footage of Apocalypse Now consisted of 1,250,000 feet of film which is over 230 hours’ worth.
Fantasia (1940) was originally a short called The Sorcerers Apprentice, but Walt Disney overspent on the score and decided to make it feature length film rather than waste money.
Alred Hitchcock’s Psycho was the first American film to show a toilet flushing.
Viggo Mortensen had no intention of working on The Lord of the Rings until his son begged him to do it.