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 biopic entitled "The Life and Times of the Marx Brothers". In addition to being a non-fiction biography of the Marxes, the film would have featured the brothers reenacting much of their previously unfilmed material from both their vaudeville and Broadway eras. The film, had it been made, would have been the first performance by the Brothers as a quartet since 1933. The five brothers made only one television appearance together, in 1957, on an early incarnation of "The Tonight Show" called "Tonight! America After Dark", hosted by Jack Lescoulie. Five years later (October 1, 1962) after Jack Paar's tenure, Groucho