Several crewmembers experience post-traumatic stress from unexplained memories of an unknown conflict.
6-01: Equinox, Part II
Under attack by interdimensional aliens, Voyager hunts down the U.S.S. Equinox to stop its decadent crew.
6-07: Dragon’s Teeth
After 900 years, a planet’s inhabitants are brought out of suspended animation, with Voyager caught in the middle of their continued conflict.