Doctor Smith disposes of a plant that grows to a gargantuan size and becomes attached to the Jupiter 2.



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


Doctor Smith disposes of a plant that grows to a gargantuan size and becomes attached to the Jupiter 2.

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Release Date:

21 February 1968 (USA)  »

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Technical Specs


Sound Mix:

(RCA Sound Recording)


Aspect Ratio:

1.33 : 1
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Did You Know?


The name Sobram, given to the race of warriors who once dominated the planet, is derived from the name of guest star Abraham Sofaer. See more »


The Robot checks his math capabilities and states that 8 + 8 equals 37. Dr. Smith corrects him by saying 36 when he should have said 16. See more »


The Robot: My computers indicate that the plant has attached itself to the outside of the ship as it thinks Dr. Smith to be its mother.
Dr. Zachary Smith: You tattletale!
See more »

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User Reviews

Space Adventure
3 December 2016 | by See all my reviews

The Jupiter 2 is back in space, and Smith has a contstantly growing plant in his cabin.

The man-sized plants in this episode had previously been seen in a third season Voyage to the Bottom of the Sea titled: The Plant Man.

I like this hour a lot as it is loaded with space action on the Jupiter 2. Guy Williams seems to be having a ball as he is all over the place in this adventure.

There is a brief moment where Judy and Penny talk about going home that lingers in the memory.

Granted, there is the odd child-ish moment I could have done without, but The Flaming Planet moves along rather nicely.

Trivia note: Irwin Allen's Land Of The Giants was filming at this point and I have heard reports that the Jupiter 2 sets had to be moved around to make way for the "Giant" sets. At one point in The Flaming Planet John/Don appear from some top deck corner of the Jupiter 2 not normally seen (usually they would just climb up from the lower deck), and I suspect this happened because the lower deck set (which was on a separate stage to the upper deck set) was moved around.

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