1x1 - Princess of VERS

July 5, 2014

2014, fifteen years after a war between Earth and Mars. Desiring peace, Princess Asseylum of Mars holds a goodwill parade on Earth. Slaine a boy originally from Earth prays for her safety Meanwhile, on Earth, high school student Inaho and his friends receive pilot training in combat robots called Kataphraktos.

1x2 - Beyond the Horizon

July 12, 2014

The Landing Castles of the Mars Knights that have landed on Earth launched an attack using Kataphraktos with the aim of invading the planet. The United Forces of Earth launch a counteroffensive. As the fierce battle rages on, Inaho encounters a mysterious girl.

1x3 - The Children's Echelon

July 19, 2014

To complete his plan, the Mars Knight relentlessly pursues Inaho and the others. Inaho is suspicious about the manner in which that knight fights. With backing from Marito’s group, Inaho begins a counteroffensive. Meanwhile, Slaine, unaware of the truth, has been ordered to provide support for the Mars Knight and is out in the field with him.

1x4 - Point of No Return

July 26, 2014

Slain has misgivings about the war. However, he has no allies around him and no way of telling who the enemy is. Meanwhile, Inaho is entrusted with a secret request by Seylum as Rayet, who is hiding her own true identity, is on edge.

1x5 - Phantom of The Emperor

August 2, 2014

Rayregalia, ruler of Mars, orders that an investigation be conducted on Earth. Slaine takes advantage of this opportunity to speak with the Martian emperor in person. Elsewhere, the assault landing ship that Inaho and the others are aboard has been sailing on a course to reach United Earth HQ.

1x6 - Steel Step Suite

August 9, 2014

There were no traces of the battle that once occurred on Tanegashima, which was heavily damaged in Heaven’s Fall. When they arrive, Marito is flooded with memories of the fierce fighting there. But then, the Kataphraktos of a female Mars Knight comes at them relentlessly. Meanwhile, Slain, who has been acting without the knowledge of his superiors, acts recklessly.

1x7 - The Boys of Earth

August 16, 2014

Inaho and the others are hard pressed in their fight against the Martian Kataphraktos. But then a mysterious fighter craft appears and joins the battle. Elsewhere, Darzana and her crew hide the damaged assault ship in a dock, and there, they discover a combat mecha of unknown origin.

1x8 - Then and Now

August 23, 2014

Slaine is interrogated under the assumption that he knows something. Slaine manages to keep silent and not reveal the truth, thinking back to the time he once spent with Princess Asseylum. Meanwhile, Count Saazbaum seems to have ulterior motives of some sort.

1x9 - Darkness Visible

August 30, 2014

Inko and the others undergo piloting training in a Kataphraktos combat simulator. Inside, Rayet reflects on her hatred, anger, and fear towards the Mars Knights, as well as her own circumstances. Yagarai and Marito also use the simulator to recreate a past battle. And the truth of what happened on Tanegashima is revealed.

1x10 - Before the War

September 6, 2014

Seylum thanks Inaho for everything and then leaves. Elsewhere, Slaine learns Count Saazbaum’s true motives. Yagarai gives Capt. Magbaredge Marito’s patient chart. Feelings begin to stir within each of them.

1x11 - Wind, Snow and Stars

September 13, 2014

Count Saazbaum launches his attack. The UEF meets its offensive in this land of brutal cold. Inaho and the others put together a plan to fight back. Working on his own, Slaine makes his way through the intense fighting to reach the Deucalion.

1x12 - Childhood's End

September 20, 2014

While Inaho and the others are carrying out their plan, they encounter Count Saazbaum’s Kataphraktos. Slaine, who had been trying to catch up to Princess Asseylum, finds himself in an unexpected situation. The fierce battle on the snowy field builds in intensity, and then—

1x13 - This Side of Paradise

January 10, 2015

2016, a year and a half after the assassination of Princess Asseylum. Slaine, who has earned the status of Mars Knight in spite of being an Earthborn is now served by his own personal subordinate and has been taking part in battles against the UEF. Elsewhere, the Deucalion is finishing up repairs in order to proceed to a new battlefront. One after another, the ship’s former crew returns.

1x14 - The Beautiful and Damned

January 17, 2015

At the Vers Empire’s frontline stronghold in Earthspace, Slaine leaves for their base on Marineros Island accompanied by the Stygis Squadron, compound Kataphraktoi. Meanwhile, the Deucalion arrives at the United Forces of Earth’s Trident Base, but some of the soldiers there are not fond of a unit that is equipped with Aldnoah.

1x15 - Toll for the Brave

January 24, 2015

The Mars Knights have assembled at Marineros Island. Slaine tries to take part in the battle, but he is looked down upon by his erstwhile fellow knights because he was born on Earth. Elsewhere, the crew of the Deucalion prepares for battle at Trident Base. Learning of the existence of Slaine’s swift Tharsis, they are wary of its capabilities.

1x16 - Soldiers' Pay

January 31, 2015

Lt. Marito, who is serving with Yuki Kaizuka, receives orders for a new operation. Yagarai is concerned about the position this will put Yuki in, who has been assigned to a unit away from the Deucalion. Meanwhile, a group of Mars Knights who oppose the Earthborn Slaine’s rise to power plan a new attack on Earth in hopes of securing more power of their own.

1x17 - The Turning Wheel

February 7, 2015

Irritated by Slaine’s actions, Count Marylcian works out a new strategy with Count Barouhcruz. Elsewhere, Rayet loses her composure in front of the Mars Knight prisoner, and Inaho deduces her true intentions. Meanwhile, Slaine talks about birds with Eddelrittuo.

1x18 - The Rose and the Ring

February 14, 2015

Princess Lemrina is distraught over an unexpected situation, but Slaine tells her that on the contrary, he will use it to his advantage. But deep down, he gradually feels more and more cornered. Elsewhere, the Deucalion’s crew links up with a UFE company that is engaging a powerful enemy. Then, on the front line, Inaho gets out of his Kataphraktos.

1x19 - Here to There

February 21, 2015

The Orbital Knights rally under Princess Asseylum’s new proclamation with renewed determination. Slaine launches a new operation, partly to contain the factions who are against him. Elsewhere, Capt. Magbaredge, who has been summoned by senior UFE officials, realizes just what they think of the Deucalion. There, she receives orders for a new mission.

1x20 - The Light of Day

February 28, 2015

The UFE is overwhelmed by the Mars Knights’ advance. Inaho and the Deucalion take part in the fighting, but they find themselves hard pressed by an unexpected attack. Elsewhere, Slaine unburdens himself to Eddelrittuo. A Mars Knight who requested an audience with Princess Asseylum did so with an ulterior motive.

1x21 - The Fortune's Fool

March 7, 2015

Under orders from United Forces of Earth’s General Headquarters, the Deucalion and her crew take part in an assault mission. They formulate a plan that will let them fight the Mars Knights. Elsewhere, with fresh determination, Slaine advances his invasion of the surface to broaden his power base. However, there are those who have doubts about his true motives.

1x22 - Out of the Past

March 14, 2015

The Deucalion receives new orders, but Capt. Magbaredge senses that another mission is in motion behind the scenes. Inaho takes action to protect Princess Asseylum. Elsewhere, Slaine explains his intentions to Princess Lemrina. He does not know that the situation is changing…

1x23 - The Unvanquished

March 21, 2015

Inaho and the crew of the Deucalion steel themselves for the final battle. Capt. Magbaredge confronts Vice Admiral Hakkinen and takes part in the dangerous mission. Meanwhile, Slaine is determined to commit all his forces to prepare for a final showdown. Princess Asseylum, having been rescued, resolves to confront their fate.

1x24 - Inherit the Stars

March 28, 2015

The war has come to one final battle. Having reached an understanding, Slaine resigns himself to his fate. Elsewhere, Inaho answers the call of his own destiny. There is someone who sheds tears at the sight of the battlefield where all too many lights flare, then die out. A solitary girl saw the final moments of their battle.

Natsuki Hanae

Inaho Kaizuka (voice), Inaho Kaizuka

Kensho Ono

Slaine Troyard (voice), Slaine Troyard

Sora Amamiya

Asseylum Vers Allusia, Asseylum Vers Allusia (voice)

Mikako Komatsu

Inko Amifumi (voice), Inko Amifumi

Sayaka Ohara

Yuki Kaizuka, Yuki Kaizuka (voice)

Sachika Misawa

Rayet Areash (voice), Rayet Areash

Kazuya Nakai

Koichiro Marito, Koichiro Marito (voice)

Ai Kayano

Darzana Magbaredge (voice), Darzana Magbaredge

Toru Okawa

Saazbaum, Saazbaum (voice)

Show Hayami

Cruhteo (voice), Cruhteo

Inori Minase

Eddelrittuo, Eddelrittuo (voice)

Shiina Natsukawa

Lemrina Vers Allusia, Lemrina Vers Allusia (voice)

Yu Shimamura

Kaoru Mizusaki (voice), Kaoru Mizusaki

Makoto Furukawa

Shigou Kakei, Shigou Kakei (voice)

Daisuke Hirakawa

Harklight, Harklight (voice)

Taishi Murata

Calm Craftman (voice), Calm Craftman

Shinji Ogawa

Rayregalia Vers Rayvers, Rayregalia Vers Rayvers (voice)

Ai Kakuma

Nina Klein (voice), Nina Klein

Hiroki Yasumoto

Vlad, Vlad (voice)

Kengo Kawanishi

Kisaki Matsuribi, Kisaki Matsuribi (voice)

Kohsuke Toriumi

Soma Yagarai (voice), Soma Yagarai

Soma Saito

Yuutarou Tsumugi, Yuutarou Tsumugi (voice)

Yoshitaka Yamaya

Okisuke "Okojo" Mikuni (voice), Okisuke "Okojo" Mikuni

Yuki Kaida

Femieanne, Femieanne (voice)

Takahiro Sakurai

Trillam, Trillam (voice)