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)
13 March 2009
15 August 1997
12 August 2012
24 October 1956
16 November 2018
14 March 2019
15 September 2021
5 July 1989
3 April 2018
23 May 1980
9 October 2019
13 November 1987
29 June 2006
8 November 2017
3 October 1985
21 May 2022
25 December 2020
9 September 2020
2 October 2017
15 December 2009
1 April 2003