Episode Title: "INFINITE REGRESS"
Production Number: 903
Original Air Date: 11-25-98
After assimilating a shuttlecraft from Species 6339, a Borg ship becomes infected with a synthetic viral pathogen and is destroyed, but its vinculum generates an interlink frequency that causes Seven of Nine to suffer flashbacks to her time in the Borg Collective.
Factoid: The Prime Directive has 47 suborders.
Guest Characters: Naomi Wildman
Alien Races: Ktarean, *Species 6339, *Kelaran wildebeest, [Klingons], [Ferengi], [Borg], [Cardassians], [Bajorans], [Voth], [Vulcans], [Romulans], ['The Swarm'], [Hirogen], *[Terrelian], [Vidiians], [Krenim]
KEY: [brackets]=illusions *star=first appearance