Space Patrol - Season 2 - Eps 6: The Walking Lake Of Jupiter
One of the lakes on Jupiter is found to contain water with extraordinary properties. This is of great interest to the scientists, but from being a matter of interest the water soon turns to being a matter of deadly peril to the planet.
About Space Patrol

Title: Space Patrol
First Air Date: 1963-04-07
Last Air Date: 1964-06-11
Status: Ended
Rating: 6/10 (from 1 votes)
Language: EN
Seasons: 3
Total Episodes: 39
Network: Unknown
Genres: Action & Adventure, Animation, Family, Sci-Fi & Fantasy
Production Companies: Unknown
Synopsis
Space Patrol is a science-fiction television series featuring marionettes that was produced in the United Kingdom in 1962 and broadcast beginning in 1963. It was written and produced by Roberta Leigh in association with the Associated British Corporation.
Cast

Ronnie Stevens
Slim / Husky / Prof. Haggarty (voice)

Dick Vosburgh
Capt. Larry Dart (voice)

Murray Kash
Col. Raeburn (voice)

Libby Morris
Marla (voice)

Ysanne Churchman
Marla / Cassiopeia (voice)