Night Key - 1937 was released on:
USA: 18 April 1937 (New York City, New York)
USA: 2 May 1937
Sweden: 10 September 1937
Netherlands: 15 October 1937 (Den Haag)
France: 24 November 1937
Denmark: 27 June 1938
Portugal: 15 May 1940
The Glass Key - 1935 was released on: USA: 15 June 1935 Denmark: 10 January 1936 Portugal: 24 June 1937
Key and Peele - 2012 was released on: USA: 2012
Key - 2011 I was released on: USA: 23 October 2012
A Key - 2010 was released on: USA: 5 February 2010
Key Food was created in 1937.
The Key Master - 2007 was released on: USA: November 2007
The Key to Power - 1920 was released on: USA: January 1920
Key Hole - 2008 was released on: USA: January 2008
Key-Hole Varieties - 1954 was released on: USA: 1954
The Key to the Past - 1915 was released on: USA: 22 November 1915
The Key of Awesome - 2009 was released on: USA: 19 October 2009
Key Exchange - 1985 was released on: USA: 14 August 1985