Video: 'A Day at the Races' trailer

(Thursday, June 17, 1937, doors opened at 9:45 a.m. EDT) — A Day at the Races, the seventh film starring the three Marx Brothers, about a group of zanies who try to save a pretty girl’s sanitarium, opened today at Capitol theater in New York City.

Directed by Sam Wood, the film starred Groucho Marx, Harpo Marx, Chico Marx, Allan Jones, Maureen O’Sullivan and Margaret Dumont.