Episode 2
Lights Out
September 28, 2005
Episode 3
Watershed
October 5, 2005
Episode 4
Alpha Male
October 12, 2005
Episode 5
Unnatural Selection
October 19, 2005
Episode 6
The Hunt
October 26, 2005
Episode 7
Fish Story
November 9, 2005
Episode 8
The Cradle
November 16, 2005
Episode 9
The Dredge
November 23, 2005
Episode 10
Origin of Species
November 30, 2005
Episode 11
Us or Them
January 11, 2006
Episode 13
Redemption
January 25, 2006
Episode 14
All God's Creatures
February 8, 2006
Episode 15
The Nest
February 15, 2006
Episode 16
The Fittest
March 8, 2006
Episode 18
Re-Evolution
April 19, 2006
Episode 19
The Son Also Rises
April 26, 2006
Episode 22
The Last Wave Goodbye
May 17, 2006