Jimmy shoots a film about Supercar, but the processing laboratory is infiltrated by spies.

The supply line to Space City is placed in jeopardy when Fireball XL-5's stabilisers break down. In this condition, Fireball - which travels faster than light - could prove highly dangerous for its crew.

A film crew arrives at Marineville to make a movie on Stingray. Everyone will play themselves except Troy, who is to be replaced by an actor. Even worse, the director is in fact Surface Agent X20 who has a plan to kill Troy.

A fighter jet crashes into a Teleray station, trapping two men, after being sabotaged by the Hood.

The Mysterons threaten the life of the Director General of the United Asian Republic and Spectrum swings into action to protect him as he prepares to board his private plane at London Airport.

The Mysterons threaten to destroy the de-salination plant at Najama in the Andes, so Scarlet and Blue are sent to observe the plant from an Aztec temple that overlooks it.