The Jupiter Spore

26th November 1977 Season 1 Episode 12

When an alien plant spore is brought to Earth by a returing space probe, it endangers the planet when it begins to grow uncontrollably. The Sentinels must consult a wise cosmic sage before deciding on a course of action.

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Season 1 · Episode 13

The Worldship

A large planetoid is on a direct collision course with earth. The Sentinels come to the conclusion that the planetoid must be destroyed to save the earth, so using their spaceship, they intercept the planetoid and find out that further investigation is needed.

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