Ep 20. Fugitives in Space

Creech, a hard case inmate of Prison Planet Destructon, flees custody and makes it to the icy world on which the Robinson's have landed. There, he forces Smith to trade his warm jacket for a prisoner's shirt. Seconds after Creech flees, guards and the Warden from Destructon appear, and accuse Smith of abetting Creech's escape. Smith drags Don into it, and before long both men find themselves sentenced to Destructon for the rest of their natural lives in a rigged trial designed to help the warden achieve his own goals...