Steamboat Bill, Jr.

Director: Charles Reisner and Buster Keaton

IMDB: https://www.imdb.com/title/tt0019421

Review: Unfocused in the middle but full of charm and a climactic sequence that boggles the mind.

Watch it if: You want to be baffled by a level of achievement.

And if you liked: Sherlock Jr., The General