Stardate: 49655.2 While returning from an away mission, a transporter accident merges Tuvok and Neelix into one new being with the personality of both combined. He calls himself "Tuvix." But the  Doctor's search for how to restore their original forms causes a moral dilemma as Tuvix does not wish to be terminated.

Chakotay is told his son has been taken by the Kazons, during the process of trying to rescue him Voyager is taken by the Kazons after the crew looses the ship in a running battle with the Kazons.