May 29, 2007
9
88
EN
From the planets to the stars and out to the edge of the unknown, history and science collide in a wondrous yet deadly adventure through space and time.
David Ackroyd
Cast
Erik Thompson
Cast
Specials
4 episodes
December 3, 2005
N/A
N/A
Season 1: Our Solar System
14 episodes
May 29, 2007
Season 2
18 episodes
November 27, 2007
Season 3
12 episodes
November 11, 2008
Season 4
12 episodes
August 18, 2009
Season 5
8 episodes
July 29, 2010
Season 6
7 episodes
October 25, 2011
Season 7
7 episodes
April 29, 2012
Season 8
4 episodes
March 1, 2014
Season 9
6 episodes
April 18, 2015
Flight 33 Productions
US
