Alien seeds hitch a ride to earth in a space shuttle crew and begin to grow. When their numbers reach the Threshold amount they will be an unstoppable swarm.
Extinction
2018
6.1/10
Stargate: Continuum
2008
7.1/10
Doctor Who: Deep Breath
2014
7.7/10
Spectral
2016
6.6/10
Crawlers
2020
5.9/10
Stargate SG-1: Children of the Gods
2009
7.2/10
Impostor
2001
6.1/10
Ben 10: Race Against Time
2008
5.9/10
Predator 2
1990
6.3/10
Extinction
2015
6.4/10
Leroy & Stitch
2006
6.5/10
Invasion of the Body Snatchers
1956
7.5/10
Stargate: The Ark of Truth
2008
7.1/10
Die Alone
2024
6.5/10
Alien Nation
1988
6.1/10
Attack on Titan
2022
5.9/10
Megaboa
2021
6.3/10
Ben 10: Alien Swarm
2009
6.2/10
Splinter
2008
6.2/10
Disclosure Day
2026
7.4/10
The King
2007
6/10
