Stars: Steven Berkoff, George Sewell, Ed Bishop, Wanda Ventham, Adrienne Corri
The story of the missions of the Supreme Headquarters of the Alien Defense Organization, which defends the Earth against extraterrestrial threats.
Stars: Patrick Allen, George Sewell, Ed Bishop, Wanda Ventham, Vladek Sheybal
An organization called "Shadow" is at war with aliens who have transformed themselves into humans and are infiltrating Earth...
