"Infinite Regress" - Mysteriously, the U.S.S. Voyager comes upon a floating Borg Vinculum - a device that interconnects Drone's minds aboard a Borg vessel - which swiftly causes Seven of Nine to manifest personalities other than her own including that of a Klingon warrior, a Ferengi, and a six-year-old human girl. Janeway is crushed to learn that before Tuvok, The Doctor and she can intervene, Seven may be completely lost.
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 Scarlett Pomers as Naomi Wildman, Neil Maffin as Ven, Erica Mer as Human Girl.
This episode was directed by David Livingston. The teleplay was by Robert J. Doherty and written by Robert J. Doherty & Jimmy Diggs.