Smith eats some fruit that turns him into a paranoid giant.



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Episode cast overview:
Will Robinson (as Billy Mumy)


During a time of dangerously high temperatures and severe drought, the only glimmer of relief comes in the form of native fruit found floating in an undrinkable pool. It might be toxic. Before the fruit can be properly tested, Debbie the Bloop and Dr. Smith help themselves to it. Dr. Smith believes the Robinsons left it out deliberately for him to find and poison himself with it. Thinking he'll soon die by their treachery, he enacts revenge by taking the last working fuel cell to their water reclamation unit, leaving them to slowly die of thirst while he himself wanders off to die alone. As it turns out, the fruit isn't poisonous but it isn't harmless either, having a monstrous effect on all who eat it. Written by statmanjeff

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Release Date:

10 November 1965 (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 fruit is supposedly responsible for making both Debbie and Doctor Smith grow to three times their normal size, but no explanation is given for the source of the additional body mass nor the fact that Smith's clothes appear to have expanded as well. See more »


Will Robinson: Gosh, it's not so bad being big. Think of all the marvelous things you'll be able to do. Like, gosh, you'll be able to get bird's eggs without even climbing.
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User Reviews

Dr. Smith turns into a giant!
19 May 2015 | by (United Kingdom) – See all my reviews

One of my favourite episodes of LIS season one – there are no guest aliens in this one only the usual cast (and each member gets a fair crack of screen time). Dr. Smith is excellent – there's a very funny scene where Smith is taking a shower using up nearly all the families dwindling water supply (during a dangerous and lengthy heat wave) while the robot is singing. Imaginative camera angle when we follow Maureen Robinson in the one person elevator from the lower to the upper deck of the Jupiter 2 and there is also a scene showing the dining area of the lower deck clearly. There is the illogical notion of Smith's clothes growing with him (as he grows to giant size caused by his consumption of an untested alien fruit). Throughout this episode we see inconsistent applications of spacial distances – sometimes the family seem near the Jupiter 2 and at other times they appear to be some considerable distance away (looking for a water supply, or rescuing a wounded Major West). There are some nice morality touches in this one about forgiveness and love even when someone (Dr. Smith) is far from perfect and does some really thoughtless and reprehensible things!

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