The Back to the Future draft screenplays are versions of the three movies of the trilogy before finalization.
These scripts and screenplays would not be considered canon as a whole, however it is possible various elements that do not conflict with existing canon may be secondary in canonicity.
Back to the Future[]
- Back to the Future first draft screenplay (1980)
- Back to the Future second draft screenplay (April 7, 1981)
- Back to the Future third draft screenplay (July 1984)
- Back to the Future fourth draft screenplay (October 12, 1984)
- Back to the Future filming screenplay (November 26, 1984)
Back to the Future Part II[]
- Paradox script (for Part II and III combined)
- Back to the Future Part II first draft screenplay
- Back to the Future Part II second draft screenplay