Rescued Doc from Kid Tannen
Flawlessly mixed up a batch of Emmett's Rocket Fuel
Acquired Emmett's Rocket Drill
Managed to get 190-proof alcohol delivered to Emmett's
Delivered the subpoeana to Arthur McFly
Talked Emmett into completing the Rocket Drill
Discovered the origin of the "new" DeLorean
Namechecked BTTF Creators
Traveled back in time to rescue Doc
Heard about the curious fate of Marshall Strickland
Got Doc's Notebook back from Biff
Perfectly repeated dialog while repeating Doc's temporal experiment