The Flight Towards the Blue Sky Arc (蒼空への飛翔, Aozora e no Hisyō) is the fourth story arc of the Accel World series. The arc shows how Haruyuki and Takumu must deal with Seiji Noumi and find the truth of Chiyu's sudden betrayal. It also reveals the mystery about these certain Burst Linkers who don't show up on the matchmaking list. This arc spans the whole fourth novel of the Accel World series. The anime begins the arc in episode 20 and ends in episode 24.



No. Title Japanese Airdate English Airdate
20 Domination (Shihai 支配) August 24, 2012 August 31, 2013
21 Insurrection (Hangyaku 反逆) August 31, 2012 September 7, 2013
22 Determination (Ketsui 決意) September 7, 2012 September 14, 2013
23 Consolidation (Renketsu 連結) September 14, 2012 September 21, 2013
24 Reincarnation (Saisei 再生) September 21, 2012 September 28, 2013