Commando Cody: Sky Marshal of the Universe s01e11
Titre original : Lost in Outer Space
From Republic's press release: ""In his efforts to add the Earth to his long list of slave planets, the Ruler tries to get Commando Cody and his crew out of the way. His plans include the capture of Cody's rocketship. The method, a trumped up story told by a Mercurian.""