Circus owner Buck Rand kidnaps Boy to star in his show, forcing a pilot to fly him, Boy, and his animal trainer out of the jungle. Tarzan and Jane pursue them all the way to New York City. During a dramatic trial over Boy's custody, Tarzan becomes violent and is jailed. With the help of the pilot's girlfriend, Tarzan escapes (diving off the Brooklyn Bridge), finds the circus, and—with the help of the circus elephants—mounts a spectacular rescue. Cast: - Johnny Weissmuller as Tarzan - Maureen O'Sullivan as Jane - Johnny Sheffield as Boy - Virginia Grey as Connie Beach - Charles Bickford as Buck Rand (circus owner) - Paul Kelly as Jimmie Shields, Pilot - Elmo Lincoln as Circus Roustabout - Chill Wills as Manchester Montford - Cy Kendall as Col. Ralph Sergeant - Russell Hicks as Judge Abbotson - Howard C. Hickman as Blake Norton, Tarzan's Lawyer (as Howard Hickman) - Charles Lane as Gould Beaton, Sargent's Lawyer - Miles Mander as Portmaster - Anne Jeffreys as Young Woman - William Forrest as Inspector at Airport - Willie Fung as Sun Lee, the Chinese Tailor - Marjorie Deanne as Cigarette Girl - Eddie Kane as Eddie, the Headwaiter - Mantan Moreland as Sam, the Nightclub Janitor - Dorothy Morris as Hat Check Girl Runtime: 71 minutes