Factual error: When we see the SPV escaping from the Culver Atomic Centre, it is night time. However, when we see Number 3 Tracking Vehicle, it has changed back to daytime.
Audio problem: After Colonel White thanks Captain Scarlet and Captain Blue at the start of the episodes, they reply with each other's voices.
Trivia: Captain Scarlet's voice and face were based on the actor Cary Grant.
Question: How does Spectrum recover its wrecked SPVs?