The following events occurred on November 16.

Complete final timeline

DeLorean C = Powerless car that is functionally repaired.

November 16, 1955:

10:17 AM - '55 Doc tells Marty 2 that the time circuits are on, keying "Sep 02, 1885".

10:18 AM - Marty 2 begins to sit on the DeLorean C and starts the engine.

10:19 AM - '55 Doc takes off his hat and begins to scream with a pistol "Happy Trails, Marty!"

10:20 AM - DeLorean C breaks the wall and disappears in 1955.

Behind the scenes