Threshold (2005)
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Starring: Carla Gugino, Brent Spiner, Brian Van Holt, Rob Benedict
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Arthur Ramsey: And on the eighth day God created Klingons.
Trees Made of Glass (1) - S1-E1
Trivia: In "Trees Made of Glass, Part 1", there is a reference to Klingons. Brent Spiner played Lieutenant Commander Data in Star Trek: The Next Generation and the subsequent films.