Lost in Space - The Challenge

Seizoen: 1 - Aflevering: 22 / 23 - Eerst uitgezonden: 02 maart 1966 - Episode ID: 163640

An alien boy is sent to Priplanis to validate his prince status. Will is drawn into a battle to the death unbeknowest to his father. Once his real intentions are known John substitutes himself in the challenge and the Alien Ruler substitutes himself for his son.