Episode 1: None.
Episode 2: The following is a story of a single man who would change his fate. Simon and Kamina lived in an underground village, until suddenly one day it was struck by the mech Ganmen. Next with her rifle blazing, the beautiful girl Yoko arrived. She had come by breaking through from the surface. With a small machine they easily defeated the enemy mech. And the three flew up to the surface.
Episode 3: None.
Episode 4: The following is a story of one man who has yet to realize the scope of his destiny. At long last, after struggling with all their might, Simon and Kamina arrived in Ritona Village. Those two did not have to wait long. Another Ganmen, belonging to the Beastman Viral, attacked. Coming to Kamina's aid, Simon soared through the air. In the midst of the heated battle, the Gurren and the Lagann united their bodies. The drills of the Gurren-Lagann proved superior to Viral's Ganmen, Enki. Exactly what kinds of hidden powers does the Gurren-Lagann possess?
Episode 5: The following is a story of one man who has yet to discover the scope of his destiny. Simon's Lagann and Kamina's Gurren achieved complete unification. A machine named Gurren-Lagann. Now they are on a jorney to the enemy's home base, to commence the final battle.
Episode 6: This is still a tale about a man who defies fate. Defeating a Ganmen in the underground village Adai, it's there where they acquired a strange book. With their new companions, Simon and the others continue their journey.
Episode 7: The following is a story of a man who has yet to realize the scope of his destiny. The days of battle persuing the enemy stretch on forever. The ambush of the hot springs Ganmen was overcome. Just when they thought they could move on, a familar ominous shadow appeared before them, preluding a new trial.
Episode 8: Two enemies, the absent Viral and his superior Chimiruf took the stage. Old friends returned, and in the midst of battle, Kamina and Simon provoked the enemy into revealing the identy of their leader, the Spiral King. But as for the brothers' enemy, the surface battleship, Daiganzan, fell in its determination to kill Kamina. The devine wind of heaven blew in their favor. The forces for the final battle assembled, and that man began to grasp his destiny.
Episode 9: This is the tale of men whose destiny is to fight without end. That man set the bar for those living wild, untamed lives. Loved by his comrades, they looked to him as their freedom. Then, the tragedy occured. Even so, Simon continues to go on. Nothing will come of doing nothing.
Episode 10: This is a story of men fighting against their fates. Simon tried to divert his pain of losing Kamina by fighting. Lagann went out of control, ths Simon ended up meeting a mysterious girl, emerging from a mysterious box. When one of the Big Four, Adiane the Elegant, was about to attack the Great Gurren... The girl ran forth and said: "Spiral King Lord Genome's First Princess, Nia, commands you! Step back!"
Episode 11: None.
Episode 12: This is the story of men whose destiny is to fight without end. Simon learned of Nia's tragic secret. Faced with a trap set by Guame of the Four Heavenly Generals, their hearts filled with fear, but Simon's drill began to glow with the light that would set them free. Gurren-Lagann is reborn! The two journeys of those men became one.
Episode 13: This is the story of men whose destiny is to fight without end. The Elegant Adiane nearly resurrected her chances at victory against Simon and the others. In the middle of the fighting, Yoko made herself, Nia, and even the Great Gurren Brigade trust in her ability. All of Yoko's ill-will towards Nia dissappeared. The measure of the Dai-Gurren Brigade's strength grew once again.
Episode 14: None.
Episode 15: This is the story of a man who fights against destiny. At this moment, deestiny reveals itself in front of this man.
Episode 16: None.
Episode 17: None.
Episode 18: This is the story of a man who searches for his path in his life, even after being betrayed by his own destiny. 7 years after Teppelin collapsed, human civilization has advanced at an overwhelming speed. Just as Lord Genome warned, when the millionth human was born, an unknown destructive weapon appeared. The one who declared war on humanity was none other than Nia.
Episode 19: This is the story of a man who searches for his path in his life, even after being betrayed by his own destiny. The fight between the Spirals and the Anti-Spirals. That was the cause of it all. In order to destroy humans, who posess the power of the Spiral, the Moon will fall onto the Earth. The one who triggered it are Simon and his comrades, the Dai-Gurren Brigade. Was the fight for freedom actually a call for doom? Losing Nia, Simon is locked by handcuffs... named "despair".
Episode 20: This is the story of a man who searches for his path in his life, even after being betrayed by his own destiny. There are two weeks until the Moon falls onto Earth. In order to minimize the panic amongst the citizens, Rossiu has put the responsibility on Simon. Simon, who was ordered to be executed. After his final launch with Gurren-Lagann, what awaited him in jail?
Episode 21: This is the story of a man who searches for his path in his life, even after being betrayed by his own destiny. Simon was sent to jail as a criminal, where his arch-nemesis, Viral, awaited him. Meanwhile, Rossiu learned of the Moon's true destructive potential as it hits the Earth. Arc-Gurren launched in the middle of enemy fire, leaving many people behind. But Nia, having become the Anti-Spiral's messenger, replies: "Even in space, all that awaits them is absolute despair."
Episode 22: None.
Episode 23: This is the story of a man who rips a hole in the destiny of a Universe fated for battle. With each passing moment, the Earth's destruction drew nearer, Gurren-Lagann returned to unite with Arc-Gurren. Finally, having the Moon-Ganman under control, Simon had saved Earth. However, Nia, the Anti-Spirals' messenger, was summoned to the enemy government.
Episode 24: This is the story of a man who rips a hole in the destiny of a Universe fated for battle. The homeworld of the Anti-Spirals was finally discovered, as the ring Simon gave Nia had shown a response. Yes, going there would mean meeting Nia. In order to save the woman he loves, the Earth in which his friends reside, and to finally bring an end to everything, the Chouginga Dai-Gurren was launched with Simon aboard.
Episode 25: This is the story of a man who rips a hole in the destiny of a Universe fated for battle. The Chouginga Dai-Gurren had left with the intention to end it all. To recover from their hopeless situation, they had risked it all on the Chouginga Dai-Gurren's transformation, but are enveloped within a dark ocean in Space. Now, their final moments are approaching them.
Episode 26: This is the story of a man who rips a hole in the destiny of a Universe fated for battle. The Chouginga Dai-Gurren was swallowed into the ocean of darkness. Within the grave of the Spiral Warriors, what pushed onward and saved everyone was the last glimmer of Kittan's life.
Episode 27: None.