Gerry Anderson Classic
ITC Entertainment & 21st Century TV Production (Supermarionation)
Drum Signature x: 7 (Incidental music from Stingray can be heard in this episode)
Spectrum is again puzzled by the Mysterons’ threat to destroy the place of the Angels as they believe that the Mysterons are planning to destroy one of the Angels’ home towns.
Elsewhere, a female Mysteron assailant steals a phial containing the mostly deadliest man-made virus to carry out the Mysterons’ plot.