The Robinsons leave their planet to escape a collision with a comet and find a ship full of frozen convicts.



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Episode complete credited cast:
Will Robinson (as Billy Mumy)
Marcel Hillaire ...


The Robinsons leave their planet to escape a collision with a comet and find a ship full of frozen convicts.

Plot Summary | Add Synopsis




Release Date:

6 September 1967 (USA)  »

Company Credits

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Technical Specs


Sound Mix:

(RCA Sound Recording)


Aspect Ratio:

1.33 : 1
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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 »


As Will walks down the ladder to the alien ship and looks in the door window, you can see one of the frozen prisoners move his hand around a spear. His head is also turned when the trio walk through the door. See more »


References Forbidden Planet (1956) See more »

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User Reviews

Definition Of The Word Improvement: Condemned Of Space
5 October 2006 | by See all my reviews

After spending 26 episodes of on an alien planet that looks like the set for The Wizard Of Oz, the space family Robinson finally blast off from Planet X just as a comet destroys it. Once in space, the Jupiter 2 then lands on a prison ship filled with frozen criminals.

As my IMDb user comment history reveals, I have a love (perhaps addiction) to all things Irwin Allen. However, I feel LIS year two was more a Jonathan Harris production and, frankly, am not too pleased with it. However, the year three opener - Condemned of Space - saw the Irwin Allen quirks come thick and fast (mainly in the teaser and act one) and for my entire life I have viewed Condemned Of Space as the perfect definition of the word improvement or the definition of saving something that has hit rock bottom (as LIS year two did). In a weird way, I could even say that year two was worthwhile, just so I could see Irwin Allen come and save this sinking ship, sinking series, and put it back on track again!

From the first frames of the teaser, with the camera hovering over rocks, it then cuts to the Robot warning "This planet, and the comet, are on a collision course". Seconds later it is goodbye to the Wizard Of Oz-looking-set and hello to an energy charged Guy Williams (he was having a ball with this hour) getting ready for blast off. Then we see Howard Lydecker's Republic-serial-type effects footage of the Jupiter 2 blasting off from Planet X. But unlike any other time in the series, this daylight-filmed-footage is going without music playing over it. Just a cool engine sound effect plays over the scene. Outstanding!

Then the disaster sounding stock music starts playing as Don and John glare at the comet in the viewport of the Jupiter 2. Then the teaser ends and the new and improved John Williams theme music plays - "Full Forward Thrust!"

Act one then plays with all the energy, and stock year one John Williams music, of the teaser. The Robinson spacewalking of episode two

  • The Derelict - is basically remade with more dramatic and energy

charged music playing over it. There is nothing wrong with a remake if it is as good as the original. After the spacewalk is over, the Robinsons get back inside the Jupiter 2 and we are treated to some colourful explosions filmed with all the loudness and sense of disaster seen in The Towering Inferno. Then act one concludes.

As for the rest of the episode, well, another IMDb user has commented on that and you can read his comment. My interest here is mainly in the early stages of the hour.

The energy seen here would return in the spaced out teaser and act one of the soon to follow episode - Hunter's Moon - and several other year three episodes would begin in this wonderful action tone. This action tone was also found in some year three/year four Voyage to the Bottom of the Sea episodes and in some more spaced out episodes of The Time Tunnel.

But no other year three LIS episode could match what see and hear in Condemned Of Space... about 12 minutes of footage that has been so well remembered, and often re-watched, since about 1972 when I was six years old.

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