Star Trek: Voyager

Season 1, Episode 12

Episode Title: Cathexis

Air Date: 1995-05-01

Overview:

Stardate: 48734.2. After Chakotay and Tuvok are injured in a shuttle accident, a non-corporeal life form begins to wreak havoc on Voyager by infiltrating the minds of the crew and altering the ship's systems one by one.