Release Message:  Voyager comes across a Krenim timeship that is wiping whole species from existence by changing the existing timeline. Starring Kate Mulgrew as Captain Janeway.

Description:  Voyager comes across a Krenim timeship that is wiping whole species from existence by changing the existing timeline. Wikipedia: Voyager creates a new Astrometrics Lab, which maps a new course that brings them into contact with a Krenim temporal ship.