Mystery Ranch - 1934 was released on:
USA: 12 April 1934
House of Mystery - 1934 was released on: USA: 30 March 1934
The Scotland Yard Mystery - 1934 was released on: UK: January 1934 USA: June 1935 USA: 22 February 1936 (re-release) (retitled)
Mystery Mountain - 1934 was released on: USA: 3 December 1934 Portugal: 23 March 1936 Spain: 26 July 1948 (Madrid)
Jungle Mystery - 1932 was released on: USA: 12 September 1932 Portugal: 5 November 1934
Mushrooms - 1934 was released on: USA: 14 February 1934
Darling Enemy - 1934 was released on: USA: 1934
Gambling - 1934 was released on: USA: 3 November 1934
By Your Leave - 1934 was released on: USA: 9 November 1934
She Had to Choose - 1934 was released on: USA: 1 October 1934
Guess Stars - 1934 was released on: USA: 1934
The Inventors - 1934 was released on: USA: 2 February 1934
At the Races - 1934 was released on: USA: 21 July 1934