A forested world home to the advanced and mystical Nox. The planet, considered the holder of a valuable secret to the Goa'uld, is lush and deciduous. There the Nox live in symbiosis with their environment.
The world is also home to many non-humanoid species, including the Fenri, a large, flying animal.
The Nox - Believing the planet may hold technology to defend against the Goa'uld, SG-1 travel to the Nox homeworld, only to face off with their most deadly adversary.
Enigma - Refusing the be relocated to a world inhabited by more primitive people, a group of Tollan refugees finally agree to go and live with the Nox.