Deadliest of the Species Lost in Space : Season 3 Episode 11
Not Rated CBS 1h 00m int(0)
Aired: November 22nd, 1967 @ 12:00 AM EST on CBS
The Robinsons encounter two Aliens who are on a mission to seek and destroy an escaped Robot Prisoner, whom they believe to be hiding at the Jupiter Two. Meanwhile, the Robot meets and falls in love with this evil, female Robot. She tries to turn the Robot bad, but ultimately, is defeated by the Robot and the Robinsons, but not before wreaking havoc over the planet.