- Maria-sama ga Miteru Specials
- Maria-sama ga Miteru: Haru
- Maria-sama ga Miteru: Haru Specials
- Maria†Holic
- Maria†Holic Alive
- Marie & Gali
- Marie & Gali Episode Zero
- Marie & Gali Special
- Marie & Gali ver. 2.0
- Marimo no Hana: Saikyou Butouha Shougakusei Densetsu
- Marmalade Boy
- Maroko
- Marriage: Kekkon
- Mars Red
- Mars Red: Zero Kikan Nippou
- Marudase Kintarou
- Marulk-chan no Nichijou
- Marvel Future Avengers
- Marvel Future Avengers 2nd Season
- Mary to Majo no Hana
- Maryuu Senki
- Masamune Datenicle
- Masamune-kun no Revenge
- Masamune-kun no Revenge OVA
- Masamune-kun no Revenge R
- Mashin Eiyuuden Wataru: Shichikon no Ryuujinmaru
- Mashin Souzouden Wataru
- Mashiro no Oto
- Mashiro-iro Symphony: The Color of Lovers
- Mashiro-iro Symphony: The Color of Lovers Picture Drama
- Mashle
- Mashle 2nd Season
- Mashle Specials
- Mask Danshi wa Koishitakunai noni
- Masou Gakuen HxH
- Masou Gakuen HxH Specials
- Masou Kishin Cybuster
- Massara
- Master Keaton
- Master Mosquiton
- Master Mosquiton '99
- Masuda Kousuke Gekijou Gag Manga Biyori
- Masuda Kousuke Gekijou Gag Manga Biyori +
- Masuda Kousuke Gekijou Gag Manga Biyori 2
- Masuda Kousuke Gekijou Gag Manga Biyori 3
- Masuda Kousuke Gekijou: Gag Manga Biyori Go
- Matantei Loki Ragnarok
- Mato Seihei no Slave
- Mato Seihei no Slave [Uncensored]
- Mattaku Saikin no Tantei to Kitara
- Mattsu to Yanma to Moburi-san 2: Suigun Otakara to Nazotoki no Shimajima
- Mattsu to Yanma to Moburi-san: Nanatsu no Hihou to Soratobu Oshiro
- Mawaru Penguindrum
- Mawaru Penguindrum Movie
- Mayo Chiki!
- Mayoi Neko Overrun!
- Mayoi Neko Overrun! Specials
- Mayoiga
- Mayonaka no Occult Koumuin
- Mayonaka no Occult Koumuin: Fukurokouji to Ano Ko to Ore to
- Mayonaka no Occult Koumuin: Hitoribocchi no Kyuuketsuki
- Mayonaka Punch
- Maze☆Bakunetsu Jikuu
- Maze☆Bakunetsu Jikuu (TV)
- Mazica Party
- Mazinger Z
- Mazinger Z Movie: Infinity
- Mazinger Z tai Ankoku Daishougun
- Mazinger Z tai Devilman
- Mazinkaiser
- Mazinkaiser SKL
- Me gumi no Daigo: Kajiba no Baka Yarou
- Mecha-ude
- Mecha-ude (TV)
- Medaka Box
- Medaka Box Abnormal
- Medalist
- Medarot
- Megalo Box
- Megami Kouhosei
- Megami no Café Terrace
- Megami no Café Terrace 2nd Season
- Megami Paradise
- Megami-ryou no Ryoubo-kun.
- Megami-ryou no Ryoubo-kun. (Uncensored)
- Megane na Kanojo
- Meganebu!
- Megaton-kyuu Musashi
- Megaton-kyuu Musashi 2nd Season
- Megazone 23
- Megumi no Daigo: Kyuukoku no Orange
- Megumi no Daigo: Kyuukoku no Orange Recap
- Meiji Gekken: 1874
- Meiji Tokyo Renka
- Meiken Lassie
- Meiken Lassie: Yume ni Mukatte Hashire!
- Meikyuu Black Company
- Meiou Project Zeorymer
- Meisou-Ou Border
- Meitantei Conan Movie 26: Kurogane no Submarine
- Meitantei Conan Movie 27: 100-man Dollar no Michishirube
- Meitantei Conan Movie 28: Sekigan no Flashback
- Meitantei Conan: Hannin no Hanzawa-san
- Meitantei Conan: Zero no Tea Time
- Meitantei Holmes
- Meitou "Isekai no Yu" Kaitakuki: Around 40 Onsen Mania no Tensei Saki wa, Nonbiri Onsen Tengoku deshita [UNCENSORED]
- Mekakucity Actors
- Mellow
- Memories
- Memories Off
- Memories Off #5 Togireta Film The Animation
- Memories Off 2nd
- Memories Off 3.5
- Meng Qi Shi Shen
- Meng Qi Shi Shen 2nd Season
- Meng Qi Shi Shen: Huanxi Zhui Hun
- Meng Ta: Xue Mi Cheng
- Merc Storia: Mukiryoku no Shounen to Bin no Naka no Shoujo
- Mermaid Melody Pichi Pichi Pitch
- Mermaid Melody Pichi Pichi Pitch Pure
- Mermaid's Scar
- Metal Fight Beyblade
- Metal Fight Beyblade Zero G
- Metal Fight Beyblade: Baku
- Metal Fighter Miku
- Metal Fury Beyblade
- Metal Skin Panic MADOX-01
- Metallic Rouge
- Metropolis
- Mewkledreamy
- Mewkledreamy Mix!
- Mezame no Hakobune
- Mezzo DSA
- Mezzo Forte
- MF Ghost
- MF Ghost 2nd Season
