The Doctor and the Brigadier begin to realise who the Zygon imposters among them are while Sarah discovers a secret tunnel to the underwater ship. |
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Title: | Terror of the Zygons, Part Three | |
Air Date: | September 13, 1975 | |
Runtime: | 25 min | |
Genres: | Action Adventure Sci-Fi | |
GeminiSaga : High budget mediocrity at its best.