🕰️The original script had Marty as a video pirate and the time machine was a refrigerator.
🎭Eric Stoltz was originally cast as Marty but was replaced by Michael J. Fox for a more comedic approach.
🎥Many scenes were already filmed with Stoltz before the change.
🗒️The script originally took place in 1982, but due to delays, it was set in 1985.
🎸The opening scene with Marty playing guitar was originally different.