SG-11 failed to report regularly while mining trinium, a vital mineral for earth's defense against the Goa'uld. SG-1 finds them missing, and all traces cease at the site of arrow-heads made from trinium. Then they are all sedated by such arrows and brought to the village of Tonané, whose earthly tribal ancestry Daniel identifies by its animal totems. However, they are soon awake and released, their guns even returned, and promised to get their friends back, too, from the wolf spirit T'akaya, and the raven-shaped supreme spirit Xe'ls. The council of elders refuses to allow resuming of the mining, which is disrespectful to nature, but Tonané is delegated to be shown alternatives on earth. Both teams return to SGC, or so it appears; in fact, SG-11 is a series of incarnated spirits, who are soon convinced the earthlings are most untrustworthy.

Una llamarada solar envía a SG-1 atrás en el tiempo treinta años hasta 1969. Capturados por la policía militar en Cheyenne Mountain, escapan con la ayuda de un joven Hammond y luego deben encontrar la Puerta Estelar para poder regresar al presente.

Una incursión alienígena toma el control de la base.

When Daniel's Unas friend, Chaka, is captured by another world's slavers, SG-1 goes to that world to rescue him.

The Russian SG team brings back a man who claims that his people are being experimented on by Nirrti. SG-1 investigate where the experiments are conducted, with the Russian SG team as backup. The inhabitants worship Nirrti as their god and savior from a terrible plague. SG-1 attempts to use the same device Nirrti used on the people to reverse the mutations, but the people turn on them at the arrival of Nirrti.

The US and Russia reveal Stargate Command and its operations to representatives of the other permanent members of the United Nations Security Council.

Cuando una misión de exploración geológica de SG se encuentra en conflicto mortal con un clan indígena de Unas, Daniel convence a Chaka para que lo ayude a buscar un acuerdo con ellos.

In exchange for new tech for the SGC, Warrick Finn asks for their help to win a dangerous spaceship competition.

Los Tau'ri y Tok'ra han utilizado a su super soldado capturado para determinar su planeta de origen. Con Daniel, el Dr. Lee y el dispositivo antiguo que encontraron en manos de secuestradores hondureños, el SGC debe encontrar una forma de rescatarlos si quieren tener alguna oportunidad de derrotar a los nuevos super soldados que han encontrado.