Assertion: trek's episode | /r/HasProperty | set in the mirror universe
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text: Whereas the Star Trek universe depicts an optimistic future in which the Earth-based United Federation of Planets values peace, co-operation and exploration, episodes set in the Mirror Universe feature the human-dominated authoritarian Terran Empire which values war, despotism and conquest instead.
text: The fan-produced web series Star Trek Continues included an episode set in the Mirror Universe called "Fairest of Them All".