I think it's interesting how both Star Trek and Lost in Space were clearly influenced by Forbidden Planet. It's also interesting how they didn't both take the same elements. ST took the space navy motif, but LiS took the flying saucer and the robot.
Sometimes literally.
) has actually appeared in other programs besides LIS and Forbidden Planet. He was also on an episode of Columbo, I think and a few others.
Ridiculous -- it would promote rust.