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Season guide

iDOLM@STER Xenoglossia: Season 1

26 episodes Premiered Apr 2, 2007 Updated Jul 25, 2026

Idolm@ster Xenoglossia is a 2007 television series classified under the genres of action and adventure, animation, comedy, and sci-fi and fantasy, with a TV-14 user score rating. The premise of the series is established 107 years after a massive cataclysm destroyed the moon and shattered Earth. To her delight and surprise, a character named Haruka is selected to become an idol. However, she soon discovers that rath

Season overview

Idolm@ster Xenoglossia is a 2007 television series classified under the genres of action and adventure, animation, comedy, and sci-fi and fantasy, with a TV-14 user score rating. The premise of the series is established 107 years after a massive cataclysm destroyed the moon and shattered Earth.

To her delight and surprise, a character named Haruka is selected to become an idol. However, she soon discovers that rather than singing and dancing, she is employed by a secret organization to protect the Earth from drops, which are falling fragments of the destroyed moon. This defense is conducted using giant robots called iDOL, which are piloted by girls known as iDOL Masters.

As Haruka meets new friends and attempts to adjust to her new life, a hostile organization that also utilizes iDOL emerges. This rival group attacks her in an effort to capture her iDOL, named Imber. The overarching narrative follows Haruka as she attempts to accept her new responsibilities, get along with her new peers and Imber, and do her part to protect the world.

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Episodes

S1·E1

Penguin Proceeds to Tokyo

Apr 2, 2007 · 25 min

Small-town girl Haruka Amami is elated when she passes her audition for a big role in Tokyo... but her big break isn’t exactly what she expects.

S1·E2

Idol's Master

Apr 9, 2007 · 25 min

After the giant rogue iDOL is defeated by Makoto, Haruka is given an offer she can’t refuse: to become an iDOL Master. Her friend Yayoi is convinced that the organization is swindl

S1·E3

Idol & Master

Apr 16, 2007 · 25 min

Haruka begins to settle into her new life, attending classes at the high school that is a cover for the Mondenkind iDOL organization.

S1·E4

Gyoza & American Hot Dogs

Apr 23, 2007 · 25 min

Iori has failed to destroy a meteorite, merely splitting it in half so that there are now two targets to destroy. When Haruka saves the day, it only exacerbates Iori’s rivalry with

S1·E5

Cold Hand, Warm Hand

Apr 30, 2007 · 25 min

After Yukiho and Haruka fail an exam, a retest is planned by Asuza that stresses them both out. When their studies don’t go very well, an annoyed Iori steps up to coach them.

S1·E6

At the Height of 20,000 Meters

May 7, 2007 · 25 min

Haruka is deployed to handle two Lemon-class meteorites, but the targets suddenly disappear – only for more bogeys to suddenly show up on Mondenkind’s sensors.

S1·E7

I'm Back. Welcome Back.

May 14, 2007 · 25 min

Chihaya is determined to get the Imber back, even if it costs Haruka her life. While Mondenkind deals with the crisis, Haruka winds up in the infirmary, having lost consciousness.

S1·E8

Compact Night Stories

May 21, 2007 · 25 min

Haruka and the others are at the beach, but this is no vacation – they are performing activation tests and pilot training for Imber and other iDOLs in the same town where Imber and

S1·E9

Keyboard

May 28, 2007 · 25 min

The girls are sent to find an idol, Ami Futami, who used to be a mechanic for Mondenkind, and ask her to come back as a consultant.

S1·E10

Unharmonious Sound [Noise]

Jun 4, 2007 · 25 min

The iDOLs and their pilots go through harmonization, fine-tuning the machines to match their pilots. Iori’s numbers are the best she’s ever attained, pushing Makoto out of being Ne

S1·E11

Niflheimr

Jun 11, 2007 · 25 min

Haruka and Ritsuko are in Iceland hunting for one of the lost iDOLs. Chihaya has also gotten her hands on this intel, and Turiavita deploys her.

S1·E12

Muspellsheimr

Jun 18, 2007 · 25 min

Mondenkind searches for Haruka, who happens to be with Chihaya but does not recognize her. Makoto foolishly takes off on her mission, desperate to prove herself the top-performing

S1·E13

Room No. 501

Jun 25, 2007 · 25 min

Makoto is completely out of sync with Nebula, but refuses to see her treatment of it as being the underlying cause.

S1·E14

Hard to Move, Somehow

Jul 2, 2007 · 25 min

Iori is sent out as Nebula’s pilot, charged with setting up two early-warning satellites in space. But this routine mission is just an excuse to try out some covert experimentation

S1·E15

Hangar Heaven

Jul 9, 2007 · 25 min

Imber goes berserk. Mondenkind tries everything they can think of to stop him, but to no avail. It seems they’ll be forced to make him self-destruct.

S1·E16

iDOL & Idol

Jul 16, 2007 · 25 min

Haruka has found a video of Chihaya in one of Imber’s files that shows he abandoned her after being in harmony. She loses confidence in their relationship, wondering if the same th

S1·E17

Stray Rabbit

Jul 23, 2007 · 25 min

Saku leads the investigation into the identity of the mole at Mondenkind, and Yukiho keeps attracting his eye.

S1·E18

Night

Jul 30, 2007 · 25 min

The Turiavita have launched a surprise attack on Mondenkind’s base in Tsukimijima. They ransom Ami in exchange for Nebula and Imber.

S1·E19

Goodbye

Aug 6, 2007 · 25 min

Haruka has lost Imber, while Nebula is busy fighting off Riffa. With all five iDOLs in Turiavita, Mondenkind must destroy the iDOLS with a shot from Vulturius – even if it costs mi

S1·E20

The Way Back

Aug 13, 2007 · 25 min

Ami and Mami are safe back in Mondenkind’s Japanese base, though Tempestas sacrificed all his memories to save them. Yukiho and Imber, however, did not return, leaving Haruka griev

S1·E21

The Last Pudding

Aug 20, 2007 · 25 min

Depressed by the betrayal of Yukiho and Imber, Haruka locks herself in her bedroom. Joseph begins an investigation into who is really running Mondenkind.

S1·E22

Key & Bat

Aug 27, 2007 · 25 min

Saku relocates almost all the staff from Mondenkind Japan and puts the base on lock down. It’s up to Joseph to gather people back together and take back the base.

S1·E23

RUN!

Sep 3, 2007 · 25 min

Mondenkind Japan must fend off Turiavita’s onslaught and buy enough time for Haruka to talk to Imber. Haruka confesses her feelings to Imber, but will he accept or reject her now t

S1·E24

108 Years of Reconstruction

Sep 10, 2007 · 25 min

Azusa infiltrates Turiavita’s headquarters and discloses the information with Mondenkind and various countries. At the same time, Chihaya undergoes the preparations necessary to be

S1·E25

Spring Snow

Sep 17, 2007 · 25 min

Haruka goes to Turiavita’s headquarters to confront Yukiho and Chihaya one last time. But with a horde of Epimetheus units blocking the way, the going won’t be easy. Lucky for Haru

S1·E26

The Moon & The Penguin

Sep 24, 2007 · 25 min

Auryn has grown unstable after absorbing Nubilum. If something isn’t done soon, the entire planet will be destroyed! The iDOLs are willing to sacrifice themselves to save the ones