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:
Marx Brothers special material for the show, but the script for the classic "Napoleon Scene" was probably supplied by Groucho. On January 16, 1977, the Marx Brothers were inducted into the Motion Picture Hall of Fame. With the deaths of Gummo in April 1977, Groucho in August 1977, and Zeppo in November 1979, the brothers were gone. But their impact on the entertainment community continues well into the 21st century. Many television shows and movies have used Marx Brothers references. "Animaniacs" and "Tiny Toons", for example, have featured Marx Brothers jokes and skits. Hawkeye Pierce (Alan Alda) on "M*A*S*H" occasionally put on