According to young Charlie, a human clone created by the Re'tu, Retalia is the homeworld of the insectoid species. Re'tu exist 180 degrees out of phase with normal matter, allowing them to be completely invisible. Their planet was once attacked and decimated by the Goa'uld, who saw the Re'tu as a potential threat to them.
The Re'tu alliance opposes the Re'tu rebel faction, a rogue group wishing to exterminate all human life in order to eliminate possible hosts for the Goa'uld -- and thus defeat them through attrition.
HOME TO - Re'tu
FIRST APPEARED - N/A
Show and Tell - A young boy arrives at the S.G.C. from the planet Retalia, with frightening news for Earth. The team must repel an invasion by a team of Re'tu rogues.