Season 1 Episode
- Season 1 Pilot
- Season 1 Lights Out
- Season 1 Watershed
- Season 1 Alpha Male
- Season 1 Unnatural Selection
- Season 1 The Hunt
- Season 1 Fish Story
- Season 1 The Cradle
- Season 1 The Dredge
- Season 1 Origin of Species
- Season 1 Us or Them
- Season 1 Power
- Season 1 Redemption
- Season 1 All God's Creatures
- Season 1 The Nest
- Season 1 The Fittest
- Season 1 The Key
- Season 1 Re-Evolution
- Season 1 The Son Also Rises
- Season 1 Run and Gun
- Season 1 Round Up
- Season 1 The Last Wave Goodbye
Invasion - Season 1 Episode 5 Unnatural Selection
7.10 42 minutes 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.
