The Marx Brothers classic anti-war satire Duck Soup is generally considered to be one of the greatest comedies ever made. Plus, it’s only 68 minutes long, meaning you could watch Duck Soup three times in a row and it would still be 10 minutes shorter than The Brutalist.

The film’s standout sequence is, of course, the mirror scene in which Harpo, who’s dressed up as Groucho, attempts to fool him into thinking that he’s looking at his own reflection. It’s a classic routine that’s still hilarious today, even though Saturday Night Live seems pretty determined to drive the joke into the ground.

Less famous is the borderline scandalous scene in which Harpo rides a horse up to a young woman’s house, cut to: their shoes discarded at the end of the bed. But it turns out that the woman has a bed to herself, and...