Known Universe - 2009 Time Bombs was released on:
USA: 17 January 2010
Known Universe - 2009 was released on: USA: 15 February 2009
Known Universe - 2009 Collision Course was released on: USA: 20 December 2009
Wonders of the Universe - 2011 The Known and the Unknown SUSPENDED was released on: USA: 2011
Known Universe - 2009 Escaping Earth 3-7 was released on: USA: 16 June 2011
Known Universe - 2009 Treasure Hunt 3-2 was released on: USA: 12 May 2011
Known Universe - 2009 End of the World 3-8 was released on: USA: 23 June 2011
Known Universe - 2009 Cosmic Collisions 2-1 was released on: USA: 1 April 2010
Known Universe - 2009 Most Powerful Stars 3-3 was released on: USA: 19 May 2011
Known Universe - 2009 Biggest Cosmic Blasts 3-5 was released on: USA: 2 June 2011
Bombs and Bums - 1926 was released on: USA: January 1926
Known Universe - 2009 The Biggest and Smallest 1-2 was released on: USA: 15 February 2009 Germany: 7 December 2009
Bombs - 1916 was released on: USA: 8 October 1916 USA: 22 February 1920 (re-release)