Unforgettable

Star Trek: Voyager  Season 4 Episode 22

Air Date: 4/22/1998

Voyager comes to rescue of a wounded female in a ship with a cloaking device. The alien, Kellin, immediately asks for asylum from her people. She also tells them that she has been on board Voyager before, but that they can’t remember her because her xenophobic race secrete a pheromone the causes a loss of short term memories in others.

Soon, her people come looking for her, firing on Voyager from their cloaked ships. They are determined not to allow any members of their society to ever leave permanently. Can Voyager risk the ship and crew for this one lone asylum seeker?