Season 1, Episode 23 The Space Trader
The Robinsons are victimized by a huckster (Torin Thatcher) who will stop at nothing to get their equipment. John: Guy Williams. Maureen: June Lockhart. Don: Mark Goddard. Smith: Jonathan Harris. Penny: Angela Cartwright. Will: Billy Mumy. Judy: Marta Kristen.
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- Rating: None
- Premise: The space family Robinson is sent on a five-year mission to find a new planet to colonize, but the voyage is sabotaged time and again by an inept stowaway, Dr. Zachary Smith. The family's spaceship, Jupiter II, also carries a friendly robot who endures an… (more)