Rin-Tin-Tin brings the killer of his mistress to justice. Rin Tin Tin Jr., Regis Toomey, Jack Mulhall, Molly O'Day, Jack Mower, Lois January, James Murray Added on Amazon Prime 2023-03-29.

A government agent sets out to capture a gang of airmail bandits who use a death ray to blow planes out of the sky. Bruce Bennett, Joan Barclay, Monte Blue, Edward Earle, Roger Williams, Jack Mulhall, Earle Hodgins Added on Amazon Prime 2023-02-05.

A Nazi spy ring is after a chemical formula that increases the power of ordinary gasoline for U.S. Army aviation use. Two U.S. chemical companies are developing the formula, with each working on half for security purposes. The spies get … Michael Whalen, Anne Nagel, William Bakewell, Constance Worth, Hans Heinrich von Twardowski, Jack Mulhall, George Pembroke Added on Amazon Prime 2023-02-06.