Space Patrol - Season 2 - Eps 5: Husky Becomes Invisible
Husky, visiting Mars with Larry Dart, becomes invisible through an accident. This proves of great value, but Husky does not want to be invisible for ever, and there seems to be no prospect of him returning to his normal state.
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)