Behind the camera
- 2024An Archdemon's Dilemma: How to Love Your Elf BrideCreature Design12 ep.
- 2023Gundam Build MetaverseKey Animation2 ep.
- 2023Firefighter Daigo: Rescuer in OrangeAnimation Director3 ep.
- 2021To Your EternityAnimation Director2 ep.
- 2020In/SpectreAnimation Director, Key Animation2 ep.
- 2018Gakuen Basara: Samurai High SchoolAnimation Director12 ep.
- 2018Golden KamuyAnimation Director2 ep.
- 2011Maken-Ki! Battling VenusAnimation Director2 ep.
- 2011The Mystic Archives of DantalianKey Animation1 ep.
- 2011Level EKey Animation1 ep.
- 2011Infinite StratosAnimation Director1 ep.
- 2008Corpse PrincessAnimation Director10 ep.
- 2008Macross FrontierAnimation Director1 ep.
- 2007Hero TalesCharacter Designer26 ep.
- 2006ZegapainKey Animation1 ep.
- 2005Honey and CloverAnimation Director1 ep.
- 2005BasiliskKey Animation1 ep.
- 2005Futakoi AlternativeKey Animation1 ep.
- 2005LovelessAnimation Director2 ep.
- 2005Elemental GeladeKey Animation1 ep.
- 2003Stellvia of the UniverseKey Animation1 ep.
- 2002Overman King GainerKey Animation1 ep.
- 2002Witch Hunter RobinKey Animation1 ep.
- 2001Final Fantasy: UnlimitedAnimation Director, Key Animation1 ep.
- 2001Shaman KingKey Animation1 ep.
- 2000Argento SomaKey Animation1 ep.
- 2000Descendants of DarknessKey Animation1 ep.
- 1999Omishi Magical Theater Risky SafetyKey Animation1 ep.
- 1998Virgin FleetKey Animation1 ep.
- 1998TRIGUNKey Animation2 ep.
- 1997Photon: The Idiot AdventuresKey Animation1 ep.
- 1997Virus Buster SergeKey Animation1 ep.
Also known as: Aisaka Naoki / 相坂ナオキ · Aisaka Naoki / 相坂直紀 · Aisaka Naoki / 相坂直樹