Dumb Patrol (April, 1931)

Released in April, 1931, Dumb Patrol (a play on the 1930 Warner Bros.' film "The Dawn Patrol") is set during the First World War, and features Bosko as a pilot who engages the enemy in a dogfight. Directed by Hugh Harman and Rudolf Ising, and featuring the voices of Carmen Maxwell as Bosko, and Rochelle Hudson as Honey. In the public domain.