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.
S03, E20 (First Aired: Jan. 31, 1968)
An escaped prisoner (Michael Conrad) frames Smith and Don, who are arrested and jailed.
S03, E21 (First Aired: Feb. 14, 1968)
A mysterious sponsor wants Judy to enter a galactic beauty contest.