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.

Cosmic Era (C.E.) 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.

What would you do if you suddenly found yourself in the middle of a war? Teenager Amuro Ray sees his life shattered when war comes to his home. During the chaos, Amuro finds himself inside the mobile suit Gundam, the Earth Federation's new secret weapon, and he somehow gets it to work. Amuro and the other refugees flee their homeland on the warship White Base. This group of children and inexperienced soldiers will change the outcome of the war.

A.S. (Ad Stella) 122― An era when a multitude of corporations have entered space and built a huge economic system. A lone girl from the remote planet Mercury transfers to the Asticassia School of Technology, run by the Beneritt Group which dominates the mobile suit industry. Her name is Suletta Mercury. With a scarlet light burning in her pure heart, this girl walks step by step through a new world.

The year is Universal Century 0088. Directly after the end of the Gryps War, Haman Karn and her army of Zeon remnants on the asteroid Axis begin their quest of reviving the lost empire of the Zabi's, and proclaim themselves as the Neo-Zeon. With the Earth Federation as hapless as ever, only the Anti-Earth Union Group (AEUG) is able oppose the plans of Neo-Zeon. In need of all the help it can get after being decimated in the previous war and losing many of its key members, the AEUG ship Argama enlists the aid of a young junk collector from the Side 1 colony of Shangri-La named Judau Ashta to pilot its newest mobile suit, the ZZ Gundam.

Universal Century 0087, 7 years have passed since the end of the One Year War between the Earth Federation and the Principality of Zeon. The Earth Federation has created an elite task force, known as the Titans, who are responsible for hunting the remaining Zeon forces. However, the power-hungry Titans have spurred the creation of a rebellious faction called the Anti-Earth Union Group (AEUG).

It is the Universal Century, year 153. 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.

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.

After Colony (A.C.) 195. Mankind has moved into space. Thousands of people live on giant orbiting space colonies called "Sides." However, the Earth Government, which rules the colonies, is unjust and cruel. A group of revolutionaries builds five robotic weapons called Gundams and plans to send them to Earth to begin their fight for independence. Piloted by five young men, these Gundams carry the hopes and dreams of freedom of the colonists with them as they descend to Earth to begin Operation Meteor!

Ensign Shiro Amada is transferred to Southeast Asia to take command of the 08th MS Team. In their first guerilla operation, Shiro's team is tasked with distracting the Zeon forces while Federation ground troops locate a mysterious new Zeon weapon.

The year is 2307 A.D. Although fossil fuels have been depleted, humanity has obtained a new source of energy to replace them, in the form of a large-scale solar power generation system based on three huge orbital elevators. However, the benefits of this system are available only to a handful of major powers and their allies. In this world of never-ending conflict, a private armed organization appears, dedicated to the elimination of war through armed force. Its name is Celestial Being, and it is in possession of "Gundam" mobile suits.

U.C. 0096, three years after the end of the Second Neo Zeon War. The mysterious Vist Foundation attempts to hand over a certain secret to the Neo Zeon remnants known as the Sleeves. This will mean the opening of Laplace's Box, which holds a great secret tied to the origins of the Universal Century. The exchange is to take place at the manufacturing colony Industrial 7, home of the student Banagher Links. When Banagher rescues a girl who gives her name as Audrey Burne, he is drawn into the conflict surrounding Laplace's Box.

When Mikazuki Augus, a young member of a private security company known as the CGS, accepts a mission to protect a young woman seeking to liberate the Martian city of Chryse from Earth’s rule, he sets off a chain of events that threatens to send the galaxy back to war.

It is the year 0083 of the Universal Century. The rebellious Principality of Zeon has been defeated in the One Year War by the Earth Federation. However, a faction of Zeon remnants led by Aguille Delaz fled from the final battle, hiding themselves away. After three long years, they attempt to rise up once more, sending Delaz’s ace pilot, Anavel Gato, to infiltrate a Federation research base to steal one of two secretly developed prototype Gundams along with its deadly nuclear warhead. Threatened by the rogue Gundam suit and seeking to retain peace, the Earth Federation mobilizes the newly developed Albion carrier to recover the stolen unit. Manned by the remaining test pilots, with rookie pilot Kou Uraki piloting the remaining prototype Gundam, the Albion and her crew are determined to stop Gato, retake the stolen Gundam, and prevent the Zeon remnants from starting another war.

In the final days of the One Year War, a Zeon special forces group infiltrates a colony to gather information on a new Gundam unit. Alfred Izuruha, a 10-year-old student, befriends Zeon rookie pilot Bernie Wiseman during a brief mobile suit combat. Meanwhile, Al meets up with Christina MacKenzie, his former neighbor and babysitter. Little does he know that not only is Christina a member of the Earth Federation, she's the test pilot of the new Gundam NT-4 prototype.

This is the story of how Char Aznable, the Red Comet, came to be. Zeon Zum Deikun suddenly dies, in the middle of declaring the Autonomous Republic of Munzo’s independence, and the republic falls into turmoil. His children, Casval and Artesia, escape to Earth while the House of Zabi rises to power. Living in secret, the siblings must find their place in a world preparing for war.

An anime short adaptation of the 4-koma manga of the same name, putting the Gundam characters in mundane, yet comical, situations.

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.

12 years after Char's rebellion, Hathaway Noa leads an insurgency against Earth Federation, but meeting an enemy officer and a mysterious woman alters his fate.

In UC 0093, the Federation has recovered from its defeat and has created a new anti-colonial special forces unit to deal with rebel forces: Londo Bell. Elsewhere in space, Char Aznable reappears out of self-imposed hiding with a declaration that he now commands his own Neo-Zeon movement, and intends to force the emigration of Earth's inhabitants to space by bringing about an apocalypse.