The Robinsons leave their planet to escape a collision with a comet and find a ship full of frozen convicts.
Did You Know?
Debut of the cast's colorful/psychedelic costumes that reflected the cultural tone of the late 1960's. Also, from this point on, Lost in Space became a space travel show with planets-of-the-week, whereas they had spent each of the previous seasons stranded in the same two planets each time the ship was becalmed. Presumably this change was made to compete with Star Trek
(1966). See more
When the Jupiter 2 takes off, it is shown with its legs extended, yet had crashed on the planet with its legs up and sat in that configuration until take off. Also, the flying scene is the same as an earlier crashing scene but obviously reversed video, the smoke from the volcanoes can clearly be seen going down instead of up. See more
References Forbidden Planet