Captain Simian & The Space Monkeys

Little House on the Primate (1x18)

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Searching for a "place to hang", the Space Monkeys explore a blue jungle planet. Meanwhile, a microscopic ship of alien Kwellian pioneers is also looking for a home, and they too find the perfect place to settle... Spydor's rear end! Simian and the others shrink down to Kwellian size to convince the intruders to go elsewhere; but while they battle static cling, fleas and angry aliens, Rhesus 2 arrives and kidnaps Spydor to pluck his brain. Will the Space Monkeys be able to save Spydor's brain?? (not to mention his... well, we won't mention it.)