Season 1, Episode 22 - "Vox Sola"
1 May, 2002
A group of Kreetassans are on board of Enterprise for a friendly meeting, but they leave rather unexpectedly and seem to be very offended by something. The crew does not know by what, though. As their ship leaves, an alien gel like creature manages to crawl aboard. The creature is growing and growing and shows rather hostile tendencies as it encapsulates five crew members, including captain Archer and commander Tucker. T'Pol, Hoshi and Reed have to come up with a solution quickly, since the creature has begun a symbiotic relationship that in time can't be reversed
