Cast
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.
Nicholas Lea (Acting)
Jamie Luner (Acting)
Steve Bacic (Acting)
David Lipper (Acting)
Teryl Rothery (Acting)
Karl Pruner (Acting)
Anthony Sherwood (Acting)
Marie Ward (Acting)
Stephen J. Cannell (Creator)
Colin Glazer (Acting)
Patrick Garrow (Acting)
15 August 1997
13 March 2004
26 July 2019
12 August 2012
24 October 1956
13 March 2009
1 October 2019
1 December 2016
15 May 2018
16 November 2001
14 December 2022
30 May 2019
5 November 2014
26 May 2021
9 February 2016
7 June 2018
19 July 2017
18 November 1997
17 August 2018
13 May 2015
1 April 2003