Genre: Science Fiction, Adventure, Fantasy
Premise: The Robinson family was supposed to set off on a five-year mission to explore a distant planet, but an act of sabotage by the scheming Dr. Zachary Smith -- who managed to get himself trapped aboard the spaceship -- leaves them adrift in space for three years. The Robinsons, pilot Don West, Dr. Smith and their trusty robot move from planet to planet, always searching for a way to return to Earth.
S01, E16 (First Aired: Jan. 12, 1966)
An alien zoo-keeper (Michael Rennie) threatens to add Penny and Will to his collection.
S01, E17 (First Aired: Jan. 19, 1966)
The Keeper threatens to let his collection of specimens run loose on the planet unless Will and Penny are handed over as specimens.