Episode 8 of "Stargate-SG1"
s01e08 The Nox
Title: The Nox
Original Air Date: 09/12/1997 on Syndication
Director: Charlie Correll
Writer: Hart Hanson
Guest Stars: Terry David Mulligan (Secretary of Defence David Swift), Frida Betrani (Lya), Addison Ridge (Nafrayu), Ray Xifo (Opher), Michasa Armstrong (Shak'l), Zoran Vukelic (Jaffa)
Plot Outline:
SG-1 travels to a planet with a creature that possesses the power of invisibility, but run afoul of Apophis and meet the mysterious Nox.