A space circus comes to town and the owner wants Will to run away with it.



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Episode complete credited cast:
Will Robinson (as Billy Mumy)
Dr. Marvello
Fenestra (as Melinda Fee)
Dawson Palmer ...
The Cosmic Monster


A space circus comes to town and the owner wants Will to run away with it.

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Release Date:

12 October 1966 (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?


The Robot and Dr. Smith sing the 1929 classic "Tiptoe Through the Tulips". Two years later, in 1968, Tiny Tim's version of the song would hit #17 on the Billboard Top 40. See more »


Tip-toe Thru' the Tulips with Me
Music by Joseph A. Burke
Lyrics by Al Dubin
Performed by Jonathan Harris and later by Dick Tufeld
See more »

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User Reviews

The Space Circus: My Favourite Circus
28 May 2007 | by See all my reviews

On Planet X, a space circus appears and wants to take Will Robinson away because the circus folk think Will has a special power.

This is yet another LIS episode that was a 1970s childhood favourite of mine but does not hold the same appeal now that I am grown up. For example, in childhood, those early scenes of the big white ape giving Dr Smith a scare were almost mild horror. But I still like the way it presents the circus, in fact, if someone were to ask me what was the most memorable circus seen in a movie/TV episode...I would say this Space Circus. Also good is the atmosphere created by a sometimes touching music score, the odd good line - "We will not leave this planet without that boy" - is good, and solid direction. However, we have the odd problem area, mainly The Robot's singing/Dr Smith's singing.

Will Robinson at the age is an interesting character, which is all just as well because Will is a big part of the episode. The year three Will is less appealing. The guest stars playing the circus folk do a fine job and full marks must go to the casting of this episode. A space zoo would appear on LIS year three but Leonard Stone as the zoo keeper was less appealing to me. Irwin Allen's Land Of The Giants would also go to the circus but with less interesting results than Space Circus. The great ending, concerning where your heart is at, is very well written and a good lesson to any child viewer of Lost In Space. All in all, not a bad episode for adults and a great episode for kids.

Added note: Can you imagine what that big white ape would be like if he talked in a cultured Ron Gans voice? It could not happen I hear you say. Well it did, but in a year four Voyage to the Bottom of the Sea called The Abominable Snowman.

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