Marx Brothers stage during the middle of a Groucho monologue to see if Groucho would be thrown off. However, to the audience's delight, Groucho merely reacted by commenting, "First time I ever saw a taxi hail a passenger". When Harpo chased the girl back in the other direction, Groucho calmly checked his watch and ad-libbed, "The 9:20's right on time. You can set your watch by the Lehigh Valley." The brothers' vaudeville act had made them stars on Broadway under Chico's management and with Groucho's creative direction—first with the musical revue "I'll Say She Is" (1924–1925) and then with two musical comedies:
Groucho Marx way. As the Marx Brothers, he and his brothers starred in a series of popular stage shows and movies. Their first movie was a silent film made in 1921 that was never released, and is believed to have been destroyed at the time. A decade later, the team made two of their Broadway hits—"The Cocoanuts" and "Animal Crackers"—into movies. Other successful films were "Monkey Business", "Horse Feathers", "Duck Soup", and "A Night at the Opera". One quip from Marx concerned his response to Sam Wood, the director of "A Night at the Opera". Furious with the Marx Brothers' ad-libs and