Details
While stargazing, Prof. Matic discovers a new planet, but it doesn't read on any electronic instruments. Curious, Steve and the others set out in the XL5 to investigate, and find that the planet is more sinister than first thought...
- Action & Adventure, Animation, Sci-Fi & Fantasy
- English
Cast & Crew
- Gerry Anderson , David Graham , Sylvia Anderson
- Sylvia Anderson, Gerry Anderson
- Arthur Provis, Gerry Anderson