Watch Night at the Opera, A online

" However, at MGM, with this, their best film for the studio, Groucho and Harpo become victims instead of instigators, with such notable scenes as Harpo employed as a dresser for an abusive opera tenor (Walter Wolfe King) who slaps, hits and uses a whip on him (at one point off camera) whenever getting out of line with his buffoonery, and Groucho, who always wins out in every situation physically and verbally, getting kicked down four flights of stairs, which indicates they are not always indestructible, yet remain in character from the old days whenever possible"