In the near future, humanity has taken its first steps towards journeying into the far reaches of the galaxy. Upon doing so they discover a huge race of insectoid aliens known as "Space Monsters." These aliens seem dedicated to the eradication of mankind as they near closer and closer to discovering Earth. In response, humanity develops giant fighting robots piloted by hand-picked youth from around the world. Shortly after the discovery of the aliens, Noriko Takaya, the daughter of a famous deceased space captain, enters a training school despite her questionable talents as a pilot. There, she meets her polar opposite, the beautiful and talented Kazumi Amano, and is unexpectedly made to work together with her as they attempt to overcome the trauma of war as well as their own emotions.
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Seasons and episodes
Specials
14 episodes · 1988
Additional in-universe background short films.
Gunbuster
6 episodes · 1988
Episode 1. Shock! Big-Sister and I are Going to be Pilots Together?!
1988-10-07 · 28 min
Noriko Takaya has spent barely had a month at a training school for giant robots. The school announces they are going to select two candidates to go to the Exelion spaceship for the real missions to fight against an invading mech army.…
Episode 2. Daring! The Girl Genius Challenger!!
1988-10-07 · 28 min
Noriko and Kazumi arrive at the space fleet led by the space battleship Exelion. The girls get introduced to a hot shot female fighter named Jung Freud. During one of their mech training sessions, Jung spars with Kazumi, and end up in a…
Episode 3. First Love☆First Sortie
1989-01-01 · 28 min
The Exelion prepares to jump through hyperspace. All the girls and guys are confined to their quarters during the mission, but Noriko loses a dare game, and has to wander off in the dark. She is surprised when a person shows up, but it…
Episode 4. Launch!! The Incomplete Ultimate Weapon!
1989-01-01 · 28 min
The fleet advisor tells Captain that the aliens are going to attack Earth. Coach has been training Noriko, but Jung wants to test Noriko by challenging her to a duel. Noriko is still shaken from the death of her comrade and breaks down…
Episode 5. Please!! Time Enough for Love!
1989-07-07 · 28 min
Kazumi and Noriko return to Earth for their high school graduation. Even though they are still teenagers after all these months in space, the Earth has aged ten years. Noriko meets up with her friend Kimiko, who now has a daughter. The…
Episode 6. At the End of Eternity...
1989-07-07 · 28 min
Fifteen years later, Kazumi is called to another mission, to detonate a black hole bomb in the enemy's home galaxy. She joins Noriko and Jung as they pilot the Gunbusters to their final destiny that could mean the "extinction or survival…
