The story of Stargate SG-1 begins about a year after the events of the feature film, when the United States government learns that an ancient alien device called the Stargate can access a network of such devices on a multitude of planets. SG-1 is an elite Air Force special operations team, one of more than two dozen teams from Earth who explore the galaxy and defend against alien threats such as the Goa'uld, Replicators, and the Ori.

With the Ancients' city of Atlantis discovered in the Pegasus Galaxy by Stargate Command, Dr. Elizabeth Weir and Major Sheppard lead a scientific expedition to the ancient abandoned city. Once there, the team not only find themselves unable to contact Earth, but their explorations unexpectedly reawaken the Ancients' deadly enemies, The Wraith, who hunger for this new prey. Now with the help of newfound local allies like Teyla Emmagan, the Atlantis Team sets about to uncover their new home's secrets even as their war of survival against the Wraith begins.

The adventures of a present-day, multinational exploration team traveling on the Ancient spaceship Destiny many billions of light years distant from the Milky Way Galaxy. They evacuated there and are now trying to figure out a way to return to Earth, while simultaneously trying to explore and to survive in their unknown area of the universe.

Follow Catherine Langford, the young woman who witnessed her father uncover the Stargate in Giza in 1928, as she embarks on an unexpected adventure to unlock the mystery of what lies beyond the Stargate in order to save Earth from unimaginable darkness.

This DIC animated action-adventure series follows four exceptional Air Force Academy cadets and a wrongly court-martialed Stargate veteran as they travel planets through gated wormholes protecting a myst. Based on MGMs successful sci-fi franchise Stargate.