

Overview
Young siblings Dan and Helen must protect their new friend, a strange blue alien boy they name Peep-Peep, from the terrifying evil alien known only as The Thin (Space) Man, who's after him.
Seasons
Trailer
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Info
- First Aired
- Sep 21, 1971
- Last Aired
- Aug 25, 2014
- Created By
- Richard Carpenter
- Network
- BBC One
- Country
- GB
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