A spaceship has 5 crew members. An alien kills one of the crew members which is replaced by a copy, but who is it?
1 Season • 3 Episodes Total
3 Episodes • Aired October 1978
Episodes
3
First Aired
Oct 1978
2011
1990
1981
2023
2016
2008
2013
2006
2021
2022
1994
2017
2005
2025
2003
