Lost in Space (1965–1968)
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There Were Giants in the Earth 

Due to the planet's orbit, the Robinsons are going to freeze to death unless they head south.



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Episode cast overview:
Will Robinson (as Billy Mumy)


After Will averts the Robot's murderous intent, the Robinson party comes under threat by native creatures at extreme size ranges. Parasitic microbes in the soil await catalysts to infest and grow into monstrous proportions while a giant cyclops roams the area. Adding to that, the weather takes an extreme turn for the worse, forcing them to abandon ship. A cave containing the remains of a civilized people provides temporary sanctuary but also a danger for the curious. Written by statmanjeff

Plot Summary | Add Synopsis

Plot Keywords:

cave | cyclops | robot | kiss | cobweb | See All (26) »




Release Date:

6 October 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?


While having Smith and the Robot stay behind is way of emphasizing Smith's attitude of not helping the Robinsons, it was actually done for a more practical reason. The first several episodes of the show reused various parts of the original unaired pilot which did not have Smith and the Robot as part of the crew. By leaving them back at the spaceship they could save a lot of money not having to film new sequences and just reuse the old footage. See more »


When checking the Robot's circuits, Will plays chess with it, and uses the move "Queen's bishop to King's Knight Four". That move is impossible, as King's Knight Four is the opposite color as that on which the Queen's bishop moves. The Robot later said "Does not compute" to at least one other move, but not to this one. See more »


Will Robinson: When Dad calls me William in THAT tone of voice, it's no use arguing.
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Edited from Lost in Space: No Place to Hide (1965) See more »


Traditional folk song
Performed by Bill Mumy
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User Reviews

Lost in Space - There Were Giants in the Earth
15 February 2015 | by (United States) – See all my reviews

Using footage from the pilot, incorporating it into a plot with Dr. Smith (and getting rid of him so that they could use it with the Robinsons and Don), Irwin Allen and company could save some money. The giant Cyclops monster (the giant of the title), John in his flying jet pack looking for Penny, and the Chariot ride to find a place of refuge where it is warmer than the location of which the Jupiter 2 is crashed are used from the pilot. Smith staying behind with the Robot, Will disobeying his father about trying to repair both the Chariot and the Robot, the hydroponic garden's introduction, the giant seeds when Smith plants them in the planet's unique soil, and the introduction of the forcefield generator are included along with the footage. The Robot nearly killing Will as programmed by the dastardly Smith to "destroy" anyone isolated from the others provides a nice bit of suspense, Will using his brains to trick the Robot into believing he is Smith, Smith's cunning in getting out of helping with chores all are added to the episode to pad out the running time. Still, the footage is wonderful with Don and John having to outwit and eventually hurt/kill the giant Cyclops from within a small mountain cave and eventually from the inside of the Chariot (including a creepy scene where the Chariot slows passes by the dead Cyclops to make sure it is no longer breathing), and the sinister ending where the Robinsons locate a cavernous city located within the entrance of a mountain providing (they believe) shelter needed so they can make repairs to their travel vehicle. Good fun with lots of plot and action to hold our attention. Less Smith was better as far as I'm concerned, and he only factors minutely at the onset regarding the Robot and how he purposes himself to do as little labor as possible. No hysterical theatrics and mugging from the Harris Smith character, either, which is a relief. The dedication to action and the entire cast was comforting considering how they would sparingly be used later so that Smith could get plenty of screen time. If only the show had remained this way.

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