The following events occurred on November 12.

Marty: "You're not gonna believe this. We gotta go back to 1955!"
Doc: "I don't believe it!"
Marty: "That's right, Doc. November 12th, 1955."
Doc: "Unbelievable that Old Biff could've chosen that particular date. It could mean that that point in time inherently contains some sort of cosmic significance, almost as if it were the temporal junction point of the entire space-time continuum. On the other hand, it could just be an amazing coincidence."
— Marty and Doc after discovering when Old Biff handed down the almanac.

1955, Saturday

Screen nov121955

November 12, 1955 on the time circuits.

November 12, 1955 was one of the most event-filled dates in Hill Valley history.

Original timeline

Altered timeline

  • Doc Brown sets up electrical wiring at Courthouse Square as part of a "weather experiment"
  • Marty writes a letter to Doc to warn him about his untimely death in 1985.
  • Marty drives Lorraine to the high school dance as part of a scheme to get her and George McFly back together.
  • Biff Tannen, angry over a $300 repair bill for his car, comes to the school dance in search of Marty.
  • George McFly punches out Biff and wins Lorraine's romantic interest back, sparking a change in their future relationship.
  • Marty plays "Earth Angel" and "Johnny B. Goode" at the Enchantment Under the Sea Dance.
  • Marty McFly travels back to 1985 after speeding the DeLorean time machine up to 88 miles per hour and leaving behind a pair of fire trails.

Second altered timeline

  • Biff of the 2015 timeline arrives in the time machine and delivers the Grays Sports Almanac to himself, the incident that was responsible for the 1985A timeline.
  • The football game UCLA vs. Washington took place ending 19-17, thereby verifying the reliability of the Grays Sports Almanac.

Third altered timeline

  • Doc and Marty return to 1985 and see it altered. They then travel to 1955 to prevent Biff from giving himself the Sports Almanac.
  • Doc Brown encounters his 1955 counterpart while on the way to free Marty from Biff's garage, but is able to prevent his younger self from recognizing him.
  • Marty recovers and destroys the Gray's Sports Almanac, restoring the space-time continuum to the original 1985 timeline.
  • Time circuits on the DeLorean scramble and the DeLorean is struck by lightning, sending Doc to 12:00 a.m. on January 1, 1885.
  • Western Union delivers a letter from Doc Brown to Marty instructing him on where to find the time machine and giving him explicit instructions to return to 1985 and destroy the DeLorean.
  • Immediately after the first Marty had been sent back to October 26, 1985, the second Marty returns to the Courthouse Square and scares the 1955 Doc into fainting.

Complete final timeline

DeLorean A = Car with plutonium reactor.
DeLorean B = Biff's stolen car.
DeLorean C = Car that gets sent to 1885.

November 12th, 1955:
6:00 AM - Marty 2 and '85 Doc arrive from 1985A in
DeLorean C and land the DeLorean behind the advert 2
miles away from Hill Valley.

1:40 PM - Old Biff arrives from 2015 in DeLorean B.

2:00 PM - Marty 2 follows '55 Biff to the town centre.

2:06 PM - Old Biff gives '55 Biff the Almanac.

6:38 PM - Old Biff goes back to 2015 in DeLorean B

8:30 PM - '55 Doc is setting the cabling up in the Town

8:50 PM - '85 Doc arrives on a Bicycle at town square.
He gives '55 Doc a 3/4 wrench and leaves.

8:54 PM - '55 Biff arrives at the Enchantment under the Sea
dance. Marty 2 is hiding in the back of his car.

8:56 PM - Marty 1 arrives at the dance (with Lorraine) in
'55 Doc's car.

9:00 PM - George goes to save Lorraine from '55 Biff, and
knocks him out

9:01 PM - '85 Doc begins to fly DeLorean C to the dance.

9:10 PM - The band begin playing 'Earth Angel'. Mark Dixon comes and pushes George out of the way, and
begins dancing with Lorraine. Marty 1 begins to fade out
of existence.

9:10 PM - George pushes Mark Dixon over, and dances
with Lorraine. Marty stops fading out, as he and his siblings
are now born again.

9:15 PM - Marty 2 enters the dance. '55 Biff's goons are
following him. Upon not being able to find him, they
plan to jump Marty 1 (who is playing Johnny B. Goode on
the stage).

9:17 PM - Marty 2 drops some sandbags on the goons.
Marty 1 finishes his guitar solo and everyone looks at him
like he's an idiot.

9:21 PM - '55 Biff finds Marty outside the dance and calls
him 'Chicken'

9:22 PM - Marty 1 runs out of the door, hitting Marty 2 in
the face and runs away without noticing. Biff picks up the
Almanac from Marty 2 and drives away in his car.

9:22 PM - '85 Doc arrives at the dance in DeLorean C and
picks up Marty 2.

9:26 PM - '55 Biff crashes into a manure truck.

9:27 PM - Marty 2 burns the sports almanac. History is
changed back to normal.

9:30 PM - DeLorean C (with '85 Doc in it) is struck by
lightning and sent to 1885.

9:31 PM - The western union man arrives and gives Marty 2
'85 Doc's letter (that '85 Doc wrote in 1885 after being
sent there)

9:32 PM - Marty 2 begins running two miles back to the
Clock Tower

9:55 PM - Marty 1 arrives at the Clock Tower.

9:56 PM - '55 Doc inputs the destination time
'OCT 26 1985 01:35 AM' into the time circuits of DeLorean

9:58 PM - A tree branch lands on a cable and breaks the link.

9:59 PM - '55 Doc climbs up to the top of the Clock Tower.

10:00 PM - The clock tower bell rings and scares '55 Doc.
Marty 1 makes his way to the starting line in DeLorean A.

10:01 PM - Marty 1 inputs the new destination time into
DeLorean A's time circuits: 'OCT 26 1985 01:24 AM' (Note the time circuits display for 'Present Time' in this scene are incorrect, as they display '09:56 PM' when the clock tower has obviously just rung 10 O'clock)

10:01 PM - DeLorean A (with Marty 1 in it) stalls.

10:01 PM - '55 Doc breaks the ledge he's standing on and
hangs his entire weight from the clock's minute hand.

10:02 PM - DeLorean A starts, and Marty 1 drives towards
the clock tower.

10:02 PM - '55 Doc accidentally disconnects the cable from
the OTHER END as well.

10:03 PM - '55 Doc loops the cable around the minute hand.

10:03 PM - Doc slides down the cable and fiddles with the

10:04 PM - Lightning strikes the clock tower, and it stops
at exactly 10:04 PM

10:04 PM - '55 Doc reconnects the cable.

10:04 PM - The connecting hook on DeLorean A hits the
cable, and the electricity goes into the flux capacitor,
sending DeLorean A and Marty 1 to 1985.

10:04 PM - Marty 2 arrives and tells '55 Doc he's back from
the future. '55 Doc faints.

10:05 PM - Marty 2 puts '55 Doc into Doc's car and begins
driving him home.

Estimated 10:15 PM - Marty 2 arrives at 1640 Riverside Drive and
takes Doc inside.