"1967 Twentieth Century Fox Television, Inc. and Space Productions, Inc. ©1992 Space Productions, Inc. © 2015 Legend Pictures, LLC. All rights reserved. Lost in Space®, its characters and designs are © Legend Pictures, LLC. Lost in Space® is a registered trademark of Legend Pictures, LLC. Licensed by Synthesis Entertainment, All Rights Reserved."
The Jupiter 2 lands on a planet Dr. Smith mistakenly believes is Earth. When Smith is lured out of the ship by cyborgs masquerading as earthlings, the Robot saves him -- and the family -- in the nick of time.