Star Trek: Voyager

Season 7, Episode 1

Episode Title: Unimatrix Zero (2)

Air Date: 2000-10-04

Overview:

Stardate: 54014.4 - Partially transformed into Borg drones, Janeway, Tuvok, and Torres run a covert operation on board a Borg ship to infect the collective with a virus that will free subdued individuals from the hive's control.