"Threshold" - Lieutenant Paris makes history by becoming the first person to make a transwarp flight. But, soon after his shuttle returns from Warp Ten, he undergoes startling biochemistry changes. His cell membranes begin to degrade and, despite The Doctor's best efforts, Paris dies. Hours after the pronouncement of death, Paris is discovered breathing, his body going through accelerated mutations which leave him radically transformed into a bizarre and terrifying cross between a human and amphibian, on "Star Trek: Voyager" airing MONDAY, JAN. 29 (8:00-9:00 p.m., ET/PT) on UPN.
Guest starring are Raphael Sbarge as Michael Jonas and Mirron E. Willis as Rettik.
Starring Kate Mulgrew as Captain Janeway, Robert Beltran as Chakotay, Roxann Biggs-Dawson as B'Elanna Torres, Jennifer Lien as Kes, Robert Duncan McNeill as Lt. Tom Paris, Ethan Phillips as Neelix, Robert Picardo as The Doctor, Tim Russ as Tuvok, Garrett Wang as Harry Kim.
The story is written by Michael DeLuca and the teleplay is written by Brannon Braga. The episode is directed by Alex Singer.