This episode introduces "Kelno'reem"; the meditative trance Teal'c must go into in order for his symbiote to heal illness or injury.
The database device Carter brings back is a modified Apple Newton.
For region 1, the DVD episode order differs somewhat from the broadcast order. This was the seventeenth episode broadcast in the second season, but is Episode 18 from Volume 4 of the Season 2 box set.