World inhabited by a primitive cave people, discovered by the S.G.C.. A team interacted with the locals there, with an S.G.C. linguist even managing to learn their language.
HOME TO - Cave dwellers of P3K-447
FIRST APPEARED - N/A
Avalon, Part 1 - Mitchell interviews an SG-1 candidate fluent in the language of the cave people of P3K-447.