Lichens!
S01E04 - Airdate: 1961-01-01
Runtime: 30 min
Harcourt Brown, notorious for his wild beliefs in intelligent life on Mars, has diverted a British moon expedition to the red planet to prove his theories. After six weeks' enforced Journey, the rocket approaches the barren surface of Mars - but there is nothing solid on which to land.
Episode details and rating from TVmaze.