"The Disease" - Without Starfleet medical clearance and in violation of interspecies protocol, Ensign Harry Kim has a passionate love affair with an exotic alien explorer, Derran Tal of the Varro species. But the escapade puts both the Voyager crew and the Varro species in Jeopardy when Kim and Tal become biochemically interdependent.
Starring Kate Mulgrew as Captain Janeway, Robert Beltran as Chakotay, Roxann Dawson as B'Elanna Torres, Robert Duncan McNeill as Lt. Tom Paris, Ethan Phillips as Neelix, Robert Picardo as The Doctor, Tim Russ as Tuvok, Jeri Ryan as Seven of Nine, Garrett Wang as Harry Kim.
Guest Starring Musetta Vander as Tal, Charles Rocket as Jippeq.
This episode was directed by David Livingston. The story was by Kenneth Biller. The teleplay was by Michael Taylor.