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ALDNOAH.ZERO is an animated science fiction adventure created by a joint effort by A-1 Pictures and Olympus Knights. ALDNOAH.ZERO takes place in the Milky Way galaxy on Earth and the planet Mars. The story centers on an ancient alien hybrid technology that is discovered by humans forced to locate to Mars. This causes rival wars and battles between the aliens and humans.

ALDNOAH.ZERO is a Anime series that is currently running and has 2 seasons (41 episodes). The series first aired on July 4, 2014. It has moderate reviews from critics and viewers, who have given it an IMDb score of 7.2.

ALDNOAH.ZERO is available for streaming on the Aniplex website, both individual episodes and full seasons. You can also watch ALDNOAH.ZERO on demand at HBO Max online.

Aniplex
2 Seasons, 41 Episodes
July 4, 2014
Anime
7.2/10
Cast: Erika Harlacher, Cristina Vee, Kensho Ono, Natsuki Hanae, Sachika Misawa
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ALDNOAH.ZERO Full Episode Guide

  • Empress Asseylum declares a cease-fire and, with Slaine's resolve seemingly shaken, a rift surfaces between the Orbital Knights. Inaho and Slaine finally settle their differences on the battlefield.

  • Both the Terrans and the Martians prepare for a massive final battle. Meanwhile, with her allies dwindling, Princess Asseylum makes a valiant last-ditch effort to end the war once and for all.

  • The Terran forces prepare a two-pronged attack on the Martians. Inaho continues to feel the negative effects of relying on his cybernetic eye. Klancain meets with Slaine.

  • At a loss on how to deal with a multiple Kataphraktoi attack, the Terran forces rest their hopes on Inaho's abilities. However, they may be relying on him too much. Lemrina, meanwhile, makes a move after figuring out her sister has awoken.

  • The Earth forces now have Count Mazuurek as a captive. With such a high value prisoner, what will this mean for the relations between the Earth and Mars? And with the Deucalion back on Earth, what is the next move?

  • A halt is placed on the hostilities, and uncertainty reigns among the Orbital Knights. The issues between Inaho and Slaine are resolved in battle.

  • Klancain rescues Asseylum from danger, and she declines Slaine's request for her to return. Edelrittuo reveals a possible sanctuary for Asseylum.

  • Slaine is unsuccessful at swaying a suspicious Klancain over to his side. An attack is launched against the Moon Base, with Asseylum as the target.

  • As the Terrans face three Knights' Kataphrakts, they must rely on Inaho to save the day. Asseylum awakes and Lemrina brings her up to date.

  • The Earth Forces are on the retreat after the Vers three-pronged attack. Meanwhile the relationship between Slaine and Lemrina grows in tense.

  • Princess Asseylum's marriage to Slaine gets officially announced. In the meantime, Slaine organizes an unprecedented attack on Earth after rallying as many Counts to his cause as possible.

  • The Earth forces are slowly making gains, with the aid of Inaho's abilities they're managing to challenge the Knights. Slaine, having now become a Count, must work his way into the favor of the 37 Clans.

  • UFE nabs a major bargaining chip when they take Count Mazuurek prisoner. It remains to be seen what will happen after the Deucalion's return to Earth.

  • After Slaine faces discrimination for being a Terran, Count Saazbaum makes a surprise announcement. Meanwhile, Inaho and Slaine meet again on the battlefield as the war rages on.

  • It's 19 months later and the Terrans are in bad shape as the Martians have claimed most of Earth. The latest threat is an enemy whose powers allow him to freeze anything within a certain area.

  • Empress Asseylum declares a cease-fire and, with Slaine's resolve seemingly shaken, a rift surfaces between the Orbital Knights. Inaho and Slaine finally settle their differences on the battlefield.

  • Both the Terrans and the Martians prepare for a massive final battle. Meanwhile, with her allies dwindling, Princess Asseylum makes a valiant last-ditch effort to end the war once and for all.

  • The Terran forces prepare a two-pronged attack on the Martians. Inaho continues to feel the negative effects of relying on his cybernetic eye. Klancain meets with Slaine.

  • At a loss on how to deal with a multiple Kataphraktoi attack, the Terran forces rest their hopes on Inaho's abilities. However, they may be relying on him too much. Lemrina, meanwhile, makes a move after figuring out her sister has awoken.

  • The Earth Forces are on the retreat after the Vers three-pronged attack. Meanwhile the relationship between Slaine and Lemrina grows in tense.

  • Princess Asseylum's marriage to Slaine is officially announced. Meanwhile, Slaine organizes an unprecedented attack on Earth after rallying as many Counts to his cause as possible.

  • The Earth forces are slowly making gains, with the aid of Inaho's abilities they're managing to challenge the Knights. Slaine, having now become a Count, must work his way into the favor of the 37 Clans.

  • The Earth forces now have Count Mazuurek as a captive. With such a high value prisoner, what will this mean for the relations between the Earth and Mars? And with the Deucalion back on Earth, what is the next move?

  • After Slaine faces discrimination for being a Terran, Count Saazbaum makes a surprise announcement. Meanwhile, Inaho and Slaine meet again on the battlefield as the war rages on.

  • It's been 19 months and the Terrans are in bad shape as the Martians have claimed most of Earth. The latest threat is an enemy whose powers allow him to freeze anything within a certain area.

  • The Deucalion has collided with Count Saazbaum's Landing Castle. Inaho, Yuki and Inko must now escort Princess Asseylum to the Aldnoah Drive. Meanwhile Slaine is rushing back to the Landing Castle and Count Saazbaum is still out there in the Dioscuria.

  • Count Saazbaum's Landing Castle descends down to Earth and begins an assault on the United Earth HQ. The Deucalion is under direct attack from Martian forces and Princess Asseylum must make her way to the ship.

  • The Deucalion has crashed after the Aldnoah drive stops working and the crew scramble to find Princess Asseylum. Slaine learns the history of Mars and is given an ultimatum by Count Saazbaum.

  • Slaine wakes up in the Landing Castle of Count Saazbaum and learns the true intentions of the Count. Rayet and Lt. Marito must deal with with their indivual memories of those they have lost to the Martians.

  • Princess Asseylum reveals herself to the Earth forces and Slaine remembers the time he spent with the Princess whilst being tortured by Count Cruhteo.

  • Lord Saazbaum decides to hold back on chasing Slaine, and instead tracks as he flees to Earth. Meanwhile Inaho and friends have arrived at Tanegashima, a mysterious location.

  • The Emperor of Mars broadcasts an official declaration of war against Earth. Inaho and his friends are drafted into the military and Slaine is on the run.

  • The Emperor of Mars calls for a cease fire. Inaho and friends take the opportunity to rest aboard an Earth Navy Ship. Slaine works on finding a way to reveal the conspiracy of the Martian Forces true intentions.

  • The Martians bombard the Earth with meteor attacks. Inhao and friends continue to travel with a Terran military squad when they are attacked by an additional Martian Kataphrakt.

  • The Earth Forces are in full retreat after the devestating attack from the Martian Kataphrakts. Inaho and his friends are bunkered down in a local school, preparing a counter attack.

  • Martian focres have commenced their attack on the Earth. The Earth's forces stand united, ready to defend against the attack as cities quickly turn into war zones. Inaho and his classmates must struggle to survive as they find themselves in danger.