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Star Trek's terrifying planet killer: The Doomsday Machine

Star Trek: The Original Series season 2 introduced a robot planet killer that remains one of the 60-year-old saga's most ...
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The planet killer: Star Trek's biggest unsolved mystery explained

Throughout "Star Trek: The Original Series," Captain James T. Kirk (William Shatner) and the rest of the USS Enterprise faced off against a vast assortment of intergalactic villains –- ranging from ...