Unnatural Selection Invasion : Season 1 Episode 5
TV-14 (self-applied) ABC 1h 00m int(0)
Aired: October 19th, 2005 @ 10:00 PM EST on ABC
The family of Russell's friend and fellow Park Ranger, Carl, is struck by tragedy. Russell suspects Sheriff Underlay may be hiding something when he starts looking into the tragedy. Larkin calls upon an old flame to help her investigation into the military. Meanwhile, Mariel and Jesse have a big fight and Rose wants a tree house.