Star Trek: Voyager: Season 1, Episode 14

1 - 14: Faces

Stardate: 48784.2 The Vidiians capture Paris, Torres, and Durst while on an away mission. Then a bizarre Vidiian scientist divides the dual ethnic heritage of Torres into separate Human and Klingon bodies to test her Klingon DNA for resistance to the Phage disease destroying his people.