Star Trek: Voyager, season 5
Equinox
Summary
The crew of the USS Voyager is surprised to receive an emergency hail from another Federation starship, the Equinox, in the Delta Quadrant. They arrive to find the damaged ship under attack by nucleogenic lifeforms. Under advice from the Equinox captain, Rudy Ransom, Captain Kathryn Janeway has Voyager extend its shields around both ships, quelling the attack, though the creatures continue to bear down on the shields, weakening them over time.
Summary from Wikipedia, CC BY-SA 4.0.
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