Agent X - 1984 was released on:
USA: 1984
Agent X - 2014 TV was released on: USA: 2014
Secret Agent X-9 - 1945 was released on: USA: 24 July 1945
Agent X - 2009 TV was released on: USA: 22 September 2009 (New York Television Festival)
Hunter - 1984 Case X 2-1 was released on: USA: 21 September 1985
Secret Agent X-9 - 1937 was released on: USA: 12 April 1937 Portugal: 6 April 1938
The Man Called X - 1956 Enemy Agent 2-2 was released on: USA: 4 October 1956
The X's - 2005 Secret Agent Manual The Spy Who Liked Me 1-5 was released on: USA: 16 December 2005
Rally-X - 1980 VG was released on: USA: 1980 Japan: November 1980 Japan: 30 March 1984 (MSX version)
Secret Agent X ended in 1939.
Secret Agent X was created in 1934.
X-Rated - 2015 was released on: USA: 2015
The X's - 2005 was released on: USA: 25 November 2005