Star Trek: Voyager, season 4, episode 9
Year of Hell
Summary
Part 1: Voyager creates a new astrometrics lab, which maps a new course that brings them into contact with a Krenim temporal ship that can erase things from history. Part 2: A badly damaged Voyager hides in a nebula as a skeleton crew attempts repairs; meanwhile the Krenim commander proposes a compromise to Chakotay and Tom Paris.
Summary from Wikipedia, CC BY-SA 4.0.
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