This is a list of episodes of the anime series Mai-HiME.

Episode number English title Romaji title Kanji title Originally aired Short summary
01 A Girl's Most Important Event Sore wa Otome no Ichidaiji それは☆乙女の一大事 2004-09-30 Mai Tokiha and her brother Takumi are on a boat trip when a girl with a sword, Mikoto Minagi, is found in the water. They pull her aboard, but are attacked by Natsuki Kuga. The boat is destroyed in the battle between Mikoto and Natsuki, and Mai shows strange abilities.
02 After-School Secrets? Himitsu no Hōkago? ヒミツの放課後? 2004-10-07 Mai and Takumi go to their first day at school. Mai skips class and bonds with Mikoto over a bowl of ramen. Takumi is attacked by a monster, and Mai and Natsuki put aside their differences to fight it.
03 Dance of Flames/Star's Oath Honō no Mai / Hoshi no Chikai 炎の舞/星の誓い 2004-10-14 Mai calls forth Kagutsuchi and defeats the Orphan. Later, Mashiro Kazahana explains to Mai that she is a HiME and that she is needed to fight Orphans. Mikoto becomes Mai's roommate.
04 Mischief of the Wind Kaze no Itazura 風のイ•タ•ズ•ラ 2004-10-21 Little Orphans are stealing lingerie from the girls at school. Natsuki must walk around without underwear on a windy day, to her chagrin. Using Natsuki's underwear collection, Mai, Mikoto, and Natsuki lure the Orphans and destroy them.
05 Rain — Tears... Ame — Namida... 雨――.涙...... 2004-10-28 An Orphan is attacking city buses, but Mai has her own problems. The stress of taking care of her ailing brother gets to her, and Yuuichi Tate comforts her in the rain. They later go back to teasing one another.
06 The Passionate Age of 17 (^^;) Moeru Jūnana-sai (^^;) もえる十七歳(^^;) 2004-11-04 Yuuichi and Shiho Munakata enlist Mai, Takumi and Mikoto to help them prepare for a wedding. Shiho worries that Yuuichi likes Mai, and makes Mai root for her love of Yuuichi. Midori Sugiura turns out to be a HiME and ends up as a teacher at the school.
07 Lost Kittens Maigo no Koneko-tachi 迷子の仔猫たち 2004-11-11 Mikoto falls under the influence of Nao Yuuki. Nao shows Mikoto how to lure men by posing as underage prostitutes, then use their powers to rob them. Mikoto has second thoughts, and the other HiME put a stop to it.
08 Precious Thing. Taisetsu na Mono. たいせつなもの. 2004-11-18 The school holds a festival. Akane Higurashi fights an Orphan to protect her boyfriend, Kazuya Kurauchi, but Miyu Greer kills Akane's Child, and Kazuya dies. Nagi Homura explains that the life of the person who's most important to the HiME is forfeit, not the HiME's life as Akane thought. Mai fights with Kagutsuchi for the second time, and reveals her powers to Reito.
09 The Sea, The Maidens, and Natsuki's Secret Umi to Otome to Natsuki no Himitsu 海とオトメとなつきのヒミツ♪ 2004-11-25 Mai's relationships with Reito Kanzaki and Tate continue to develop. Natsuki takes Mai and Mikoto on an information gathering mission at an abandoned First District building. Natsuki explains she's trying to destroy the First District.
10 Cake Wars!!! Kēki Taisen!!! ケーキ大戦!!! 2004-12-02 Mai and her friends have their cake baking contest organizaed by Midori Sugiura but the contest is interrupted by an Orphan. Takumi is attacked by another Orphan and it turns out Akira Okuzaki is a HiME — and a girl. She saves Takumi, who throws a birthday party for Mai.
11 Dance of Light and Darkness Hikari to Yami no Rondo 光と闇の輪舞(ロンド) 2004-12-09 A vampire is stalking the campus. It removes girls' clothing and drinks their blood trying to determine if they are HiMEs. Nagi tells Mai not to get involved with it, since there appears to be another group looking to use the HiME. The school's nun, Yukariko Sanada, turns out to be a HiME and defeats it.
12 The Smile of an Angel Tenshi no Hohoemi 天使のほほえみ 2004-12-16 Joseph Greer, Miyu Greer, and Alyssa Searrs are working for the Searrs Foundation. They kidnap Natsuki, and Yukino Kikukawa, who is a HiME, uses her powers to find her. Mai and Mikoto go to rescue her, and save her from Miyu and Alyssa Searrs. In the end, Alyssa takes over control of the operation from Greer.
13 ~Night of the Tamayura~ ~Tamayura no Yoru~ 〜たまゆらの夜〜 2004-12-23 The school hosts a romantic festival, and Mai and Reito go on a date. They are about to kiss when Tate interrupts, angering Shiho. Alyssa and Miyu test out Alyssa's powers, and Natsuki investigates District One.
14 The Targeted Academy Nerawareru Gakuen ねらわれる学園 2005-01-06 Alyssa destroys a bridge with a shot from heaven, and the Searrs group sends in its personal army and takes over the school, looking for HiMEs. Nagi and Mashiro then gather the HiMEs in an underground cavern.
15 A High School Girl ☆ Soars To the Heavens Ama Kakeru ミ☆ Jōshikōsei 天翔ける ミ☆ 女子高生 2005-01-13 The HiMEs defeat the Searrs soldiers and rush to confront Alyssa. Alyssa attempts to destroy the school (and students) with a blast from her Child, but Mai intercepts the beam with Kagutsuchi, seemingly killing her. Alyssa and Miyu escape, but Joseph Greer shoots Alyssa and Miyu kills him.
16 Parade ♪ Parade ♪ Parade ♪ 2005-01-20 Mai shows up late for class, to Mikoto's delight. Midori organizes the HiMEs into the HiME Force, and takes them out to karaoke to bond. Takumi discovers Akira's true identity and she must kill him. Afterwards, Nagi tells them that there will be no more Orphans; now they must fight each other's Children. The HiME's Carnival had just begun.
17 Deceitful Lips Usotsuki na, Kuchibiru うそつきな、唇 2005-01-27 Nagi informs the HiME Force that an evil star is coming, and the only one who can save the world is the HiME who defeats all other HiMEs. Tate tells Mai that he must stay with Shiho, because he caused her to be injured. Takumi is accepted for a transplant at a US hospital.
18 ――The Beginning. ――Hajimari. ――はじまり. 2005-02-03 A mysterious ghost-like, flute-playing HiME attacks Mai. Mikoto protects her, but Mai tells her not to fight. Yukariko betrays the group, and causes Natsuki to fight Nao, saying Nao attacked her.
19 Labyrinth of the Heart Kokoro no Meikyū こころの迷宮 2005-02-10 The HiMEs start to turn on each other; Yukino is blackmailed into attacking Mai. Takumi worries about being a burden to Mai, and makes plans to go to America alone. Akira grows more devoted to Takumi, putting him in danger. Shiho kisses Tate in front of Mai to hurt her.
20 Dance of Flames/Tears of Destiny Honō no Mai / Namida no Unmei 炎の舞/涙の運命 2005-02-17 A crow-like Child, the Child of the flute-playing HiME, causes Mikoto to fight and kill Akira's Child. Mai arrives in time for Takumi to evaporate in her arms. She and Mikoto then battle, while Mikoto flashes back to how her brother is the Obsidian Lord.
21 The Obsidian Prince Awakens Kuroki Kimi, Mezameru Toki 黒き君、目覚めるとき 2005-02-24 Nao attacks Natsuki, and Shizuru Fujino reveals herself to be a HiME while saving Natsuki. Meanwhile, Mashiro and Fumi go to confront the Obsidian Prince, who turns out to be Reito. Mikoto fights for Reito and defeats Mashiro and Fumi.
22 Collapse Kuzureyuku くずれゆく...... 2005-03-03 A large portion of the students are missing after the last battle. Haruka and Yukino look for Shizuru, and find her with Natsuki, who Shizuru has inappropriately touched and kissed her while she sleeps. Mai goes in search of the Obsidian Prince to learn if killing the other HiME's Children will give her the power to bring back Takumi.
23 Love and Friendship, Heartlessness Aijō to Yūjō, Hijō 愛情と友情、非情 2005-03-10 Midori wakes up Miyu with the key given to her by Mashiro. Mikoto tries to stop her, and Mai learns that Mikoto works for Reito now. Meanwhile, Shizuru defeats Yukino and Haruka evaporates. Yuuichi learns from Natsuki that Mai has feelings for him and goes in search of her.
24 Love is a Battle Koi wa Tatakai コイ•ハ•タタカイ 2005-03-17 Shizuru destroys Nao's Child, killing Nao's hospitalized mother. Shiho turns out to be a HiME and attacks Mai. Mikoto kills Shiho's Child, and Yuuichi evaporates as Mai tries to explain that she loves him.
25 The Moment of Destiny Unmei no Koku e 運命の刻へ 2005-03-24 Shizuru and Natsuki battle and then evaporate because of their love for each other. Miyu goes to kill the Obsidian Prince. Mai goes after the Obsidian Prince as well, but Mikoto shows up to stop her with her Child.
26 Shining ☆ Days Shining ☆ Days Shining ☆ Days 2005-03-31 Miyu wakes up Mashiro from a frozen block of ice. Mashiro then revives all the people who had evaporated. Yuuichi comes to rescue Mai and Mikoto defeats Reito. The Obsidian Prince is revealed in true form later defeated by Kagutsuchi and everything returns to normal. Reito and Yuuichi want Mai, and Mikoto doesn't want to share.