It's in your head.
A motivational speaker, plagued by an uncontrollable itch on her head, becomes infected with a parasitic demon from her homeland.
Slither
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The Faculty
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Alien
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Night of the Creeps
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Isolation
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Shivers
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Brain Damage
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Meatball Machine
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The Brain Eaters
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Larva
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The Falling
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Mindwarp
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Cold & Dark
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The Deadly Spawn
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The Killgrin
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Alien Terror
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The Thaw
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The Hidden
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Bug
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