Season 1, Episode 23
While SHADO is tracking a UFO in heavy woodland, international show-jumper Russell Stone goes missing from his estate. Foster examines a lake where there is no sign of animal life and discovers a mutilated corpse.
Season 1, Episode 21
An astronaut is killed during a UFO alert and the UFO gets through SHADO's outer defenses. Straker suspects human error and wonders if the relationship between Gay Ellis and Mark Bradley is to blame.
Season 1, Episode 19
Tired and hung-over after an all night party, Foster takes part in a mandatory fitness programme at the SHADO Research Centre.
Season 1, Episode 17
When Moonbase experiences a radio and video blackout, Foster suspects that a geo-scanner, operated by a team of surveyors at the Dalotek installation, is to blame.
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