At a testing ground, the AEU is demonstrating its new Enact mobile suit. Suddenly, a white mobile suit descends from the sky and swiftly destroys the Enact. This intruder is the Gundam Exia, and this marks the start of Celestial Being's first mission.

As the world reacts with confusion to Celestial Being's announcement, the Gundam Meisters prepare for a second mission which will clarify their intentions.

The Union ace pilot Graham Aker confronts Setsuna as he leaves Ceylon. In Tokyo, the news reporter Kinue Crossroad begins her own investigation.

The Human Reform League holds a memorial service for the soldiers whose lives were lost in the recent interventions, and reaffirms its opposition to Celestial Being.

Princess Marina leaves Azadistan and begins a worldwide diplomatic tour to seek help for her impoverished nation.

Celestial Being's activities have reduced the level of conflict in the world, but there are some who do not welcome this change.

During Celestial Being's intervention in Moralia, Setsuna has been reunited with a figure from his past. His opponent is the mercenary soldier Ali al-Saachez.

An international terror network has begun a campaign of bombing attacks in order to force Celestial Being to halt its armed interventions.

Four months have now passed since Celestial Being began its armed interventions. The initial chaos has subsided, and life goes on.

In Earth orbit, Sergei's mobile suit team continues its attack on the Ptolemaios and the Gundam Meisters. While Setsuna and Lockon defend their mothership, Allelujah and Tieria find themselves caught in the enemy's trap.

In the aftermath of the orbital battle, the Human Reform League's scientists realize that one of the Gundam Meisters is actually a former test subject of their own Superhuman Institute.

Although Princess Marina has secured assistance from the United Nations for her troubled homeland, the Kingdom of Azadistan is still in turmoil.

Setsuna's actions have prevented a coup d'etat in the Kingdom of Azadistan, but the conservative leader Massoud Rachmadi remains missing, and the situation continues to worsen.

The three superpower blocs begin planning a massive joint military exercise which will serve as a challenge to Celestial Being.

The Union, Human Reform League, and AEU begin their joint military exercise in the Taklamakan Desert.

On the brink of defeat, the Gundam Meisters have been rescued by the intervention of Celestial Being's second team. Their rescuers identify themselves as Johann, Michael, and Nena Trinity, the Meisters of the mysterious Gundam Thrones.

The Ptolemaios crew return to space for a rendezvous with Team Trinity. When they finally meet the new Gundam Meisters face to face, Setsuna and his comrades are disturbed by their attitude and behavior.

Team Trinity continues its campaign of armed intervention. Unlike Setsuna and his comrades, they are targeting military facilities of all kinds and exterminating everyone on the scene, even civilians.

Having determined that Team Trinity itself is promoting conflict, Setsuna confronts the Gundam Thrones. Tieria comes to his assistance, and the two Gundam Meisters fight as a team for the first time.

A mysterious benefactor has provided the three superpower blocs with a new weapon against the Gundams. Quickly establishing a military alliance, the superpowers organize an elite fighting force under the aegis of the United Nations.

The United Nations forces have deployed their new weapon, a mobile suit model known as the GN-X which is powered by a pseudo solar reactor. While Sergei Smirnov and Soma Peries lead a GN-X team in pursuit of the Gundam Thrones.

The United Nations reveals the existence of the GN-X to the world, and announces the launch of a Gundam elimination operation with the code name "Fallen Angels." The operation begins with the renewed pursuit of Team Trinity.

Alejandro Corner and Ribbons Almark have forced their way into the heart of Veda and taken control of Celestial Being's master computer. But their actions have triggered an unexpected programmed response.

Despite the loss of Lockon, the Ptolemaios crew are united in their determination to keep fighting the United Nations forces. The enemy begins another assault, this time spearheaded by the Alvatore, a mobile armor operated by traitor Alejandro Corner.

The Celestial Being mothership Ptolemaios has been destroyed, and most of the Gundams are beyond repair. Yet Setsuna continues his desperate fight against the overwhelming power of Alejandro Corner's mobile armor and the final weapon hidden within it.

Included on the final DVD of the first season, a tongue-in-cheek sneak peek at the coming second season.

A recap of the first season, from Setsuna point of view.

The year is 2312 A.D, five years after the first appearance of Celestial Being, and four years after the organization was destroyed by the United Nations forces.

With the reappearance of Celestial Being, the A-LAWS begin gathering personnel who have experience fighting the Gundams.

The A-LAWS prepare a new trap for the reborn Celestial Being at a detention center for anti-government elements.

Setsuna and his comrades have successfully overpowered the A-LAWS and freed Allelujah and Marina from the Federation's detention center. When Marina asks them to return her to Azadistan, they set a course back to the Middle East.

Having been rescued from near defeat by the Katharon resistance group, the Ptolemaios 2 now takes refuge at a Katharon base in the Arabian desert.

The Katharon base has been devastated by the A-LAWS attack. The words of a dying soldier remind Sumeragi of a traumatic incident from her past, and she passes out.

Sumeragi has regained consciousness, and thanks to her tactical plan the Ptolemaios 2 is able to escape the battlefield. However, Allelujah's Gundam has been shot down along with Soma Peries, and his comrades cannot locate him.

Tieria is shocked at the sudden appearance of his lookalike Regene Regetta. He is further disturbed by Regene's revelations about the Innovators.

Setsuna and Tieria are confronted by Ali al-Saachez and his new Arche Gundam. A furious Tieria tries to avenge Lockon, but is overwhelmed by the enemy's fighting strength.

The Federation's plan to forcibly reorganize the Middle East is opposed by the kingdom of Suille, the strongest of the Middle Eastern nations.

While Ian Vashti and his fellow Celestial Being mechanics prepare the O Raiser, a support machine for Setsuna's 00 Gundam, the A-LAWS deploy a devastating new weapon of their own.

The Ptolemaios 2 attempts to make a hasty escape from the attacking A-LAWS. But the Gundam Meisters are hard-pressed by Kati Mannequin's tactics and the enemy's new mobile suits.

The Katharon space fleet has begun an assault on the satellite weapon Memento Mori, and is now under attack by A-LAWS mobile suits.

The Ptolemaios 2, damaged by the Innovators' attack, descends to Earth. Now separated from his comrades, Setsuna searches for the Ptolemaios 2. But instead, he finds Ali al-Saachez and his Arche Gundam waiting for him.

The Ptolemaios 2 has received supplies from Katharon, and repairs are now in progress. But it cannot break through the Federation's siege without the fighting strength of the 00, and Setsuna has not yet returned to the ship.

The A-LAWS have abruptly retreated after receiving word of a coup d'etat within the Federation. Hoping to reunite with his comrades, Setsuna sets the 00 on a course for Africa.

A crisis is unfolding, but the Ptolemaios 2, which has not yet been fully repaired, is unable to break the deadlock. The wounded Setsuna returns to battle despite his injuries, asking Saji to help him save countless innocent lives.

Four months have passed since the "Break Pillar" incident, the near-collapse of an orbital elevator. The A-LAWS leaders receive word that Celestial Being has resumed activity after months of silence.

As Saji Crossroad searches for Louise Halevy amid the chaos of battle, Soma Peries hunts for Andrei Smirnov in order to avenge Sergei's death. Setsuna confronts the Innovator Hiling Care and unleashes the power of the Twin Drive.

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The Innovator Revive Revival is now a prisoner aboard the Ptolemaios 2, but he sneers at the questions of its crew, and gives them nothing but evasive replies. Suddenly, the crew receive word that crewmember Mileina Vashti has been taken hostage.

The Ptolemaios 2 has received a message containing coordinates for a point at Lagrange 5. The crew are suspicious, but Setsuna suggests they set course for this mysterious location.

The A-LAWS and Federation Forces are gathering a huge fleet to exterminate Celestial Being, and their leaders anticipate a final decisive battle.

The Innovator Regene Regetta finally rebels against Ribbons Almark.

As Tieria enters the enemy ship and learns shocking truths, the Ptolemaios 2 fights a defensive battle against the unrelenting enemy assault. One by one, our heroes fall. Setsuna cries out as if responding to the fading light of their lives.

Setsuna begins a final decisive duel. Lyle's intentions, Allelujah's hopes, and Tieria's thoughts flow through the darkness of space. The particles from the 00 Raiser envelop the area around them.

Included on the final DVD of the second season, a tongue-in-cheek preview of Gundam 00's upcoming feature film.