- Marimo no Hana
- Marin to Yamato: Fushigi na Nichiyoubi
- Marmalade Boy
- Marmalade Boy (Dub)
- Marmalade Boy Movie
- Marmalade Boy Movie (Dub)
- Marriage addiction
- Marry A Mysterious Man
- Marry the President
- Mars Daybreak (Dub)
- Mars of Destruction OVA (2005)
- Mars Red
- Mars Red (Dub)
- Mars Red: Zero Kikan Nippou
- Martial arts dominance
- Martial Arts Reigns
- Martial Inverse
- Martial Peak
- Martial Peak Season 2
- Martial Spirit Sword Master
- Martin Mystery (Dub)
- Marudase Kintarou
- Marulk-chan no Nichijou
- Marvel Disk Wars: The Avengers (Dub)
- Marvel Future Avengers (Dub)
- Marvel Future Avengers 2nd Season (Dub)
- Mary to Majo no Hana
- Mary to Majo no Hana (Dub)
- Maryuu Senki
- Masamune Datenicle
- Masamune-kun no Revenge
- Masamune-kun no Revenge (Dub)
- Masamune-kun no Revenge OVA
- Masamune-kun no Revenge R
- Masamune-kun no Revenge R (Dub)
- Mashin Eiyuuden Wataru
- Mashin Eiyuuden Wataru 2
- Mashin Eiyuuden Wataru: Owarinaki Toki no Monogatari
- Mashin Eiyuuden Wataru: Shichikon no Ryuujinmaru
- Mashiro no Oto
- Mashiro-Iro Symphony
- Mashiro-iro Symphony: Airi ga Anata no Kanojo ni!?
- Mashiro-iro Symphony: The Color of Lovers Picture Drama
- Mashle
- Mashle (Dub)
- Mashle 2nd Season
- Mashle: Shinkakusha Kouho Senbatsu Shiken-hen (Dub)
- Mask Man
- Masou Gakuen HxH
- Masou Gakuen HxH (Uncensored)
- Masou Gakuen HxH Specials
- Masou Kishin Cybuster
- Mass Effect: Paragon Lost
- Mass Effect: Paragon Lost (Dub)
- Massara
- Master is stupid again!
- Master Keaton
- Master Keaton (Dub)
- Master Mosquiton
- Master Mosquiton '99
- Master Mosquiton (Dub)
- Master of Alchemy
- Master of Epic: The Animation Age
- Master of Ten Thousand Paths
- Master of Three Realms
- Master of Torque
- Master of Torque 2
- Master of Torque 3
- Master of Torque: Epilogue
- Master of X-RAY Vision
- Masuda Kousuke Gekijou Gag Manga Biyor
- Masuda Kousuke Gekijou Gag Manga Biyori 2
- Masuda Kousuke Gekijou Gag Manga Biyori 3
- Matantei Loki Ragnarok
- Matantei Loki Ragnarok (Dub)
- Mato Seihei no Slave
- Mato Seihei no Slave (Dub)
- Mawaru Penguindrum
- Mawaru Penguindrum (Dub)
- Maya the Bee (Dub)
- Maya the Bee 2nd Season (Dub)
- Mayo Chiki
- Mayo Chiki! (Dub)
- Mayoi Neko Overrun
- Mayoi Neko Overrun! Specials
- Mayoiga
- Mayonaka no Occult Koumuin
- Mayonaka no Occult Koumuin (Dub)
- Mayonaka no Occult Koumuin: Fukurokouji to Ano Ko to Ore to
- Mayonaka no Occult Koumuin: Fukurokouji to Ano Ko to Ore to (Dub)
- Mayonaka no Occult Koumuin: Hitoribocchi no Kyuuketsuki
- Mayonaka no Occult Koumuin: Hitoribocchi no Kyuuketsuki (Dub)
- Mayonaka Punch
- Mayonaka Punch Short Anime
- Mayumi
- Maze☆Bakunetsu Jikuu
- Maze☆Bakunetsu Jikuu (Dub)
- Maze☆Bakunetsu Jikuu (TV)
- Maze☆Bakunetsu Jikuu (TV) (Dub)
- Maze☆Bakunetsu Jikuu: Hot Springs
- Mazica Party
- Mazinger Z
- Mazinger Z (Dub)
- Mazinger Z Movie: Infinity
- Mazinger Z Movie: Infinity (Dub)
- Mazinger Z tai Ankoku Daishougun
- Mazinger Z vs. Devilman
- Mazinkaiser
- Mazinkaiser (Dub)
- Mazinkaiser SKL
- Mazinkaiser SKL (Dub)
- Mazinkaiser: Deathmatch! General Dark
- MD Geist
- MD Geist 2
- Me and My 26-year-old Female Tenant
- Mecha-ude
- Mecha-ude (TV)
- Medabots
- Medabots (Dub)
- Medabots Spirits (Dub)
- Medaka Box
- Medaka Box (Dub)
- Medaka Box Abnormal
- Medaka Box Abnormal (Dub)
- Medarot Damashii
- Meet in Rebirth: An Exclusive For You and Me
- Meet in Rebirth: An Exclusive For You and Me S2
- Meet in Rebirth: An Exclusive For You and Me S3
- Meet in Rebirth: An Exclusive For You and Me S4
- Megalo Box
- Megalo Box (Dub)
- MegaMan Maverick Hunter X: The Day of Sigma
- MegaMan NT Warrior (Dub)
- Megaman NT Warrior First Season 1
- Megaman NT Warrior Second Season 2
- MegaMan NT Warrior: Axess