Star Trek: Voyager — Episode 1: Unimatrix Zero (2)

You are watching the episode Unimatrix Zero (2) 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.