S1 E1 • Game

Seeking adventure during a school field trip, fifteen kids stumble upon a strange man in a cave, who invites them to play a game. But it turns out, the game is all too real. Source: crunchyroll

Première diffusion : 9 avril 2007

S1 E2 • Zearth

A strange creature named Koyemshi introduces itself to the group. Takashi is chosen as the next pilot of Zearth, and he resolves to be a "hidden hero" and protect the Earth. Source: crunchyroll

Première diffusion : 16 avril 2007

S1 E3 • Secret

Questions remain in the wake of Takashi's death, the most pressing of which being, how did Takashi die? Both the kids, and the police, want to know. Amidst the grief and uncertainty, the next pilot is chosen. Source: crunchyroll

Première diffusion : 23 avril 2007

S1 E4 • Strength

Masaru's family life has made him come to divide the world into two types of people: those born to die, and those born to survive. When it's his turn to fight to protect Earth, which type will he end up as? Source: crunchyroll

Première diffusion : 30 avril 2007

S1 E5 • Weakness

The children realize just what it means to be chosen as a pilot for Zearth. Meanwhile, the adults finally make their move, as the military gets involved, both with Koyemshi, and Zearth itself. Source: crunchyroll

Première diffusion : 7 mai 2007

S1 E6 • Lust

The next pilot is Kako, but the other kids can't find him, though Chizu has an idea of where he might be. When the next enemy appears, the military makes an attempt a first strike. Source: crunchyroll

Première diffusion : 14 mai 2007

S1 E7 • Wound

With Kako dead, but the enemy still around, the next pilot needs to be selected. As the chairs spin, Chizu recalls her past and what led to her being where she is now. Source: crunchyroll

Première diffusion : 21 mai 2007

S1 E8 • Vengeance

Chizu has been chosen, and she's determined to do one last thing before she completes her role as a pilot of Zearth. Source: crunchyroll

Première diffusion : 28 mai 2007

S1 E9 • Family

It's Daichi's turn in the pilot chair, but he's not concerned about himself. Instead, he makes a decision that mirrors what his father did, all those years ago. Source: crunchyroll

Première diffusion : 5 juin 2007

S1 E10 • Companion

Mako has always been embarrassed about her mother's profession, the oldest in the world. But when she's chosen to be the next pilot, she choses to see life from her mother's eyes before her time runs out. Source: crunchyroll

Première diffusion : 12 juin 2007

S1 E11 • Life

Moji has always been good at reading the hearts of others. But when it becomes his turn to pilot, he knows exactly where his own heart will go. Source: crunchyroll

Première diffusion : 19 juin 2007

S1 E12 • Blood Relative

Maki races against time, hoping that she'll be able to see the face of her unborn baby brother before her battle. Meanwhile, Misumi is convinced the children's sacrifice needs to be recognized. Source: crunchyroll

Première diffusion : 26 juin 2007

S1 E13 • The Earth

The children realize that their latest fight is no where on Earth, at least, not the one they know. The awful truth behind the game comes out. Source: crunchyroll

Première diffusion : 3 juillet 2007

S1 E14 • Perplexity

The friction between Misumi and the world's economic and political powers grows stronger. Misumi pushes forward with her plan to save the children from their dark fate. Source: crunchyroll

Première diffusion : 10 juillet 2007

S1 E15 • Self-Destruction

Kirie has always been the quiet one. With his gloomy demeanor, and his life a depressing mess, will Kirie even find the will to fight for an Earth he doesn't care for? Source: crunchyroll

Première diffusion : 17 juillet 2007

S1 E16 • Truth

Komo's father exposes the political coverup behind Zearth. Kirie's mother recovers from her ills, and Kirie himself finds the will to fight. But yet another secret is revealed in the process. Source: crunchyroll

Première diffusion : 31 juillet 2007

S1 E17 • Affection

Anko is next in the chair for Zearth's pilot, coinciding with the public exposure of her father's affair. While Anko tries to leave off on something good, the plan to help the children begins to buckle. Source: crunchyroll

Première diffusion : 7 août 2007

S1 E18 • Reality

The powers behind the coverup push back, and Komo's father is caught in the middle. In the end, the sarcifices made will inspire Komo to fight in the same way her father did, for the Earth he loved. Source: crunchyroll

Première diffusion : 14 août 2007

S1 E19 • Mother

Tamotsu takes Jun out to reminisce about the past. The story he tells is of the "Climbing Dragon", a young yakuza lieutenant, and his wife, Misumi, who he had a child with. Source: crunchyroll

Première diffusion : 21 août 2007

S1 E20 • Destiny

Swayed by years of guilt and hopelessness, Yoko finally comes forward and speaks, telling the story of herself and her brother, who is now known as Koyemshi, and the endless cycle the two are in. Source: crunchyroll

Première diffusion : 28 août 2007

S1 E21 • The Truth

Kanji's turn to pilot Zearth is marked by a strange setup, wherein the enemy appears to be targeting the Chutenro Tower research center. In the course the fight, they discover the ultimate purpose of this endless game. Source: crunchyroll

Première diffusion : 4 septembre 2007

S1 E22 • Journey

Jun takes Kana back to her father, and asks Yoko to go along with them. Along the way, he thinks upon his life until now, and ultimately comes to a decision about Koyemshi's offer. Source: crunchyroll

Première diffusion : 11 septembre 2007

S1 E23 • Snowscape

Jun and Yoko's plan to fight against Koyemshi goes into action. The thirteenth battle begins with Yoko as the pilot, and the government enacting their own schemes to deal with the enemy. Source: crunchyroll

Première diffusion : 18 septembre 2007

S1 E24 • The Story

The final fight is upon the Earth. Jun, as the final pilot, fights with the whole world looking on, and with everything he's learned guiding him. Source: crunchyroll

Première diffusion : 25 septembre 2007