Starring: Guy Williams, June Lockhart, Mark Goddard, Marta Kristen
Genres: Adventure, Comedy, Family, Sci-fi
Welcome Stranger - S1-E7
Other mistake: In one of the opening scenes with Will and Dr Smith, the Robot's power pack is clearly missing.
There Were Giants in the Earth - S1-E5
Revealing mistake: The Robot's lights wink out for a few seconds as it disables the force field.
The Truman Show
How the Grinch Stole Christmas
Lost in Space
Due to their uncontrollable laughter during filming of the infamous "Vegetable Rebellion" episode, Guy Williams and June Lockhart were written out of the next two episodes.
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