The studio was established by Sony's animation production division, Aniplex, on May 9, 2005, to animate its anime series and productions. In 2006, it co-produced the original production Zenmai Zamurai, and in October of the same year, established a studio in Asagaya. In the following year, 2007, the studio produced its first series, Ōkiku Furikabutte.
Originally established to oversee the production of only a few of Aniplex's family-oriented series, the studio has since grown and expanded as a full fledged studio involved in the production of a wide range of media and anime productions and other activities, which it has overseen.
The studio has also expanded its international presence, participating in the noted international convention, Anime Expo 2007 (AX 2007), held in Long Beach, California, and having its own panel there.
- Zenmai Zamurai (co-production with No Side; 2006-2010)
- Ōkiku Furikabutte (2007)
- Robby & Kerobby (2007)
- El Cazador de la Bruja (original production: Bee Train; finish animation, 2007)
- Persona -trinity soul- (2008)
- Tetsuwan Birdy: Decode (2008)
- Kannagi (2008)
- Kuroshitsuji (2008)
- Valkyria Chronicles (2009)
- Fairy Tail (Co-production with Satelight; 2009-present)
- Working!! (2010)
- So Ra No Wo To (2010)
- Ōkiku Furikabutte ~Natsu no Taikai-hen~ (2010)
- Senkou no Night Raid (2010)
- Togainu no Chi (2010)
- Kuroshitsuji II (2010)
- Seikimatsu Occult Gakuin (2010) 
- Welcome to the Space Show (2010)
- Namisuke (2007)
- Takane no Jitensha (a.k.a. Takane's Bike) (2008) — winner of Animax's Animax Taishō awards.
- Ōkiku Furikabutte: Honto no Ace ni Nareru Kamo
- Nintendo DS game. Production of the animation and CG segments.
- Persona 4 (2008)
- A-1 Pictures (Japanese) (English)
- A-1 Pictures Asagaya studio (Japanese)
- A-1 Pictures at Anime News Network's Encyclopedia
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