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
13 March 2004
24 October 1956
23 June 1994
5 November 2014
1 October 2019
21 July 2021
30 October 2024
15 December 2009
13 May 2015
20 July 2016
21 April 1987
2 September 2020
24 October 1978
24 July 2019
12 October 2023
7 September 2024
18 August 2016
1 April 2003