The original opening sequence of The Simpsons was made unusually long to cut the amount of animation work for each episode.

In The Godfather Marlon Brando would often gaze to the side, giving him a detached look. He did it to read his lines because he never memorized them before shooting.

Baywatch star David Hasselhoff said that the iconic slow-mo running scenes came about because the show was just trying to fill the hour.

The Beatles didn’t want to go all the way to the Himalayas to shoot the cover photo for their 11th album. So instead, they just went outside of Abbey Road Studios for the photo and called it Abbey Road.

Love Actually’s opening scene of people embracing their loved ones in the airport was basically a result of Richard Curtis’ laziness.

South Park’s infamous villains The Crab People were never actually meant to be used. They were just supposed to be a placeholder until they thought of a real villain.

Tchaikovsky didn’t really care for 1812 Overture. He only composed it because he was asked to and didn’t want to say no. So he just threw together some anthems, folk music, and his own unreleased compositions.

The Ghostbusters theme song was written two days before it was due. They couldn’t come up with more lyrics, so they filled the song by repeating the classic catchphrases “Who you gonna call” and “I ain’t ‘fraid of no ghosts” nearly a dozen times.

The iconic Infinite Improbability Drive from Hitchhiker’s Guide to the Galaxy was only created because Douglas Adams wrote himself into a corner and couldn’t think of a logical way to save Ford and Arthur from space.

The long guitar solo in Lynyrd Skynyrd’s song Free Bird was added so that the vocalist of the band could take a break during shows.

Samus Aran’s iconic ball morphing powers were created because the Metroid designers realized it would be a lot easier to turn her into a sphere than to animate her crawling.

Guns N' Roses wanted for there to be more at the end of the Sweet Child o' Mine. Axl Rose wrote "Where do we go now?" and the band figured it was good enough.

Stan Lee only created The Avengers because it was the easiest way to get a comic book out in time. Rather than risk losing a printing fee and needing to print something, he just threw a bunch of existing heroes together.