https://backtothefuture.fandom.com/wiki/Four_DeLoreans
On the night of Nov 12, 1955 (at the end of BttF 2), for a few hours, there are actually 4 DeLoreans.
Four DeLoreans
In Timeline 7 and Timeline 8, there are four DeLoreans in 1955, this is the history of both Alt-1885 timelines, and neither are depicted on film.
In this timeline, there are temporarily two Biffs, two Martys, and three Docs (one long dead).
In the period of Timeline 7 depicted on film at the end of Part II and start of Part III, after Doc is struck by lightning, there is only one DeLorean left:
On the night of Nov 12, 1955 (at the end of BttF 2), for a few hours, there are actually 4 DeLoreans.
Four DeLoreans
In Timeline 7 and Timeline 8, there are four DeLoreans in 1955, this is the history of both Alt-1885 timelines, and neither are depicted on film.
In this timeline, there are temporarily two Biffs, two Martys, and three Docs (one long dead).
- Marty A and 35-year-old Doc are present with DeLorean A.
- 78-year-old-Biff is present with flying DeLorean B.
- 78-year-old Biff gives the Grays Sports Almanac to 18-year-old Biff.
- Marty B and 65-year-old Doc are present with flying DeLorean C and a hoverboard.
- DeLorean D is buried in the Delgado Mine, and has been for seventy years.
- Doc's letter has been in the office of Western Union for seventy years.
- Timeline 7 only: 65 year old Doc is buried in the Boot Hill Cemetery outside the Delgado Mine, and has been for seventy years.
In the period of Timeline 7 depicted on film at the end of Part II and start of Part III, after Doc is struck by lightning, there is only one DeLorean left:
- DeLorean A has departed with Marty A to 1985. 35-year-old Doc stays.
- DeLorean B has departed with 78-year-old Biff to 2015. 18-year-old Biff stays.
- DeLorean C has departed with 65-year-old Doc to 1885. Marty B stays.
- DeLorean D is buried in the Delgado Mine, and has been for seventy years.
- 65-year-old Doc is buried in the Boot Hill Cemetery outside the Delgado Mine, and has been for seventy years.
- Marty B is present with the hoverboard and Doc's letter, and makes contact with 35-year-old Doc.
