The Vidiians experiment on B'Elanna, splitting her into two beings... one fully human, the other fully Klingon.
1-10: State of Flux
When Starfleet technology is discovered aboard a disabled Kazon ship, a search ensues for the betrayer.
A scientist responsible for the mass killing of Talaxians proclaims Neelix is also infected.
Upon discovering an alien graveyard, Kim is whisked across the galaxy to the species’ homeworld, whose inhabitants believe he has returned from the dead.