Arisa's in Danger! Return of the Berserker Gundam! (Episode)

Summary
Shortly after Gerald retreats from the War, Sovereign Serenity was named the winner by default, but Ash believes that the war isn't over, and that Gerald's retreat may signal his true motives. Saji, Shane, Tieria, and Setsuna believe in what Ash is thinking about, believing that Gerald is just waiting on the sidelines to unravel his true intentions.

In the Sapphire City Hospital, Louise removes the PG-Cells from Elizabeth's body, allowing her to recover from the injuries sustained after her fight with Louise. A depressed Teresa looks at the window, saying that Ash helped Sovereign Serenity won it all, Louise tries to help Teresa cheer up, but nothing will work, as Travis comes to get his sister because their trip is to start within a few minutes. Ash rushes to the hospital, there he finds Elizabeth, who has nearly recovered from her injuries, telling him all that happened, including her being exposed to the PG-Cells, and fighting against Louise. Ash asks her about Teresa, and Elizabeth answered that she never wants to see him again, shocked with suspense, Ash goes after Teresa, who is now on a Cruise Boat with her brother, it was told that she will probably never see him again. Louise goes to Ash, and explained what happened with Elizabeth during their fight, revealing that the PG-Cells have infected her while she was piloting the 00 Serenity, which caused her to go berserk.

Ash runs to grab a boat for him to catch up with Teresa, however, Teresa telepathically talks to Ash with depression and resentment. She and Travis were taken in by Zeon troops by the orders of Gerald, who wanted to see both to talk about his true motives and intentions. He then launches in the Descartes Caviar to search for her, while Elizabeth, Saji, and Louise are starting to worry about Ash.

The scene goes back to Gerald, who reads the late William Osborne's notes on the Psycho Gundam Mark II, he learns that a healthy human with the power of life is needed for the life force unit of it. He turns his attention on using Teresa as the life unit of the Psycho Gundam, thus his true intentions have been revealed.

Ash returns to Earth and goes to Saji and Louise. John, Allelujah, and Lyle also go to Ash to see what's wrong with him, he finds out that Teresa was taken in by Zeon troops, and that she may be in danger. He goes to check up on Elizabeth, who has now fully recovered from her injuries, but she tells him that she is not ready to go in the 00 Serenity just yet, before Ash left, she tells him that he should save Teresa, since she had read her thoughts in her mind during her recovery. Travis talks to Gerald, revealing that he had seen the error in his ways and wants to turn himself in for his crimes. He ultimately reveals his plot to Travis, by using a human who is healthy, and possess the power of life, one who is able to create new lives for the new generation of humans. Travis goes to get Teresa, but Gerald shoots him before he can get Teresa. Gerald reveals that the Psycho Gundam's complete resurrection is done when a woman is used as its life force unit.

Sovereign Serenity, Task Squad 496, the Sapphire City Council, and The Earth Sphere Federation receive Travis' call, revealing that the Psycho Gundam will be resurrected in the form of the Psycho Gundam Mk-II, mentioning that it is Gerald's true intention, as to why he retreated from the war. They send their best Gundam Pilots, and Gundam Pilots from other timelines to join forces to end the Psycho Gundam's terror. The episode ends with Gerald allowing the Psycho Gundam to assimilate Teresa for her to become its life force unit.