Carter asks Teal'c if he has ever played Doom (1993). He replies, "I play Def Jam Vendetta (2003)," for which Christopher Judge (Teal'c) supplies the voice of the main villain of the game, D-Mob.
Near the end of the episode, the brightness of the overloading Naquadah generator changes because the battery in the prop was dying. The prop had been shared with the Stargate: Atlantis (2004) set for half the day.
This episode introduces the smaller, weapon-mounted, "anti-life" energy weapons that are used to defeat the Anubis Kull Warriors.
A total of 22 different iterations of the virtual reality simulation are depicted in this episode.
Amanda Tapping (Samantha Carter) previously appeared in an episode of The X-Files (1993) with the same title: Avatar (1996).