Invasion
Season 1, Episode 9: The Dredge
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Russell is suspected of committing a double murder. Larkin discovers Russell's criminal history and wonders about who he really is. Mariel insists that she saw a body in the water and demands that the bay be dredged.
All Episodes - Season 1
Episode 1
Pilot
Episode 2
Lights Out
Episode 3
Watershed
Episode 4
Alpha Male
Episode 5
Unnatural Selection
Episode 6
The Hunt
Episode 7
Fish Story
Episode 8
The Cradle
Episode 9
The Dredge
Episode 10
Origin of Species
Episode 11
Us or Them
Episode 12
Power
Episode 13
Redemption
Episode 14
All God's Creatures
Episode 15
The Nest
Episode 16
The Fittest
Episode 17
The Key
Episode 18
Re-Evolution
Episode 19
The Son Also Rises
Episode 20
Run and Gun
Episode 21
Round Up
Episode 22
The Last Wave Goodbye