Season 1 poster

Season 1

5 episodes April 22, 2005

Episodes

1 The Violent Past Apr 22, 2005 No ratings 2 Snowball Earth Apr 22, 2005 No ratings 3 New Frontiers Apr 22, 2005 No ratings 4 Extinction and Rebirth Apr 22, 2005 No ratings 5 Survival of the Fittest May 10, 2005 No ratings