Cosmic Era 71. Mankind has developed into two subspecies: Naturals, who reside on Earth, and Coordinators, genetically enhanced humans capable of withstanding the rigors of space who inhabit orbital colonies known as PLANTs. The story revolves around a young Coordinator named Kira Yamato, who becomes involved in the war between the two races after a neutral space colony secretly developing mobile suits for the Earth Alliance is attacked by the PLANTs' military force, ZAFT.

In C.E.75, the fighting still continues. There are independence movements, and aggression by Blue Cosmos... In order to calm the situation, a global peace monitoring agency called COMPASS is established, with Lacus as its first president. As members of COMPASS, Kira and his comrades intervene into various regional battles. Then a newly established nation called Foundation proposes a joint operation against a Blue Cosmos stronghold.

Advanced Generation (A.G.) 101. The space colony Angel is attacked and destroyed by a mysterious "Unknown Enemy" with overwhelming strength. As this "UE" continues its attacks, a boy named Flit Asuno loses his mother when she is caught in the crossfire. Now in A.G. 115, Flit must fight using a new Gundam of his own creation, which evolves itself through battle. The curtain rises on an epic Gundam saga spanning 100 years and three generations.

When Banagher Links meets the mysterious Audrey Burne, he inherits the Unicorn Gundam and is swept up into the battle for space colony independence.

High-school student Amate Yuzuriha lives peacefully in a space colony floating in outer space. But when she meets a war refugee named Nyaan, Amate is drawn into the illegal mobile suit dueling sport known as Clan Battle.

It is the Universal Century, year 0153. The Zanscare Empire, which rules almost all of Side 2, has declared its independence from the old government, the hollow and corrupt Earth Federation. Under the justification of creating a new, space-based order, it has begun an invasion of Earth; and Point Kasarelia, the illegal residence area in Eastern Europe where Üso Ewin and Shahkti Kareen live, is no exception. As they are caught in the fighting between Zanscare and the opposing resistance organization, the League Militaire, fate draws Üso and his friends into the midst of battle.

U.C. 0097, one year after the opening of "Laplace's Box". Despite the revelation of the Universal Century Charter that acknowledges the existence and rights of Newtypes, the framework of the world has not been greatly altered. The conflict later dubbed the "Laplace Incident" is thought to have ended with the downfall of the Neo Zeon remnants known as the Sleeves. In its final battle, two full psycho-frame mobile suits displayed power beyond human understanding. The white unicorn and the black lion were sealed away to remove this danger from people's consciousness, and they should now be completely forgotten. However, the RX-0 Unicorn Gundam 03, which disappeared two years earlier, is now about to show itself in the Earth Sphere once more. A golden phoenix… named Phenex.

Mobile Suit Gundam SEED C.E.73 -STARGAZER- is a side story to the anime TV series, Mobile Suit Gundam SEED Destiny. As of July 2006, it is being streamed on Bandai Channel as an original net animation. The show is directed by Susumu Nishizawa and written by Shigeru Morita, both staff members of Gundam SEED Destiny.The series consists of three episodes, each running at 15-minutes long. The web broadcast began in July 2006, with a new episode showing monthly. A DVD containing all three episodes as well as the two 5-minute long Mobile Suit Gundam SEED Astray animated shorts was released on November 24, 2006. This DVD also contained a different ending for Stage 3 in which several scenes after the Phantom Pain attack are shown.A manga adaptation of the series has been released in 2007. Authored by Naoki Moriya, it features an epilogue reveals the previously uncertain fate of Selene and Sven as they are shown to be alive and mostly unharmed from their ordeal. Sven joins the DSSD.

A voice draws two destined individuals together for a showdown, awakening 1/12-scale statues of the Nu Gundam and Sazabi, leading to a fierce battle inside the mall.

A voice draws two destined individuals together for a showdown, awakening 1/12-scale statues of the Nu Gundam and Sazabi, leading to a fierce battle inside the mall.