Star Trek: The Original Series, season 1, episode 2
Charlie X
Summary
The Enterprise picks up Charlie Evans, an unstable 17-year-old boy, who spent 14 years alone on a deserted planet and lacks the training and restraint to handle his superhuman mental powers wisely. This episode serves as the backstory for the unofficial miniseries Star Trek: Of Gods and Men.
Summary from Wikipedia, CC BY-SA 4.0.
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