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The crew strike a deal for crystals needed for Liberator's weapon systems. In exchange, Vila must help in obtaining a treasure on the planet Keezarn but in doing so he finds a gateway to another world.
First Air Date : Jan 02, 1978
Last Air date : Dec 21, 1981
Episode : 52 Episode
Season : 4 Season
Runtime: 50:14 minutes
Studio: BBC One
Country: