Voyager encounters a group of liberated Borg drones, foreshadowing future events.
3-09: Future’s End, Part II
Voyager must stop the ambitious Henry Starling from destroying the future and return to its own timeline.
3-04: The Swarm
The Doctor and Kes utilize a diagnostic program featuring Dr. Lewis Zimmerman when his program experiences a catastrophic malfunction, while Voyager is under attack by a swarm.