"Year of Hell, Part I"
Airdate: November 5, 1998
75 of 168 produced
75 of 168 aired
Voyager enters a region of space dominated by a race called the Krenim - except when it isn't. Something is altering the history of this region, and Voyager is being swept up in and damaged by the results.
Chakotay, the best present you could give would be getting rid of that bad teenage mustache.