Senki Zesshō Shinfogia, lit. Superb Song of the Valkyries: Symphogear) is a Japanese anime television franchise animated by Satelight. The original season aired on Tokyo MX between January 6, 2012 and March 30, 2012.[1] A second season entitled Symphogear G aired between July 4, 2013 and September 26, 2013, a third season, Symphogear GX, aired between July 3, 2015 and September 26, 2015, and a fourth season, Symphogear AXZ, aired between July 1, 2017 and September 30, 2017. A fifth season, Symphogear XV, is set to premiere in April 2019.[2] A manga adaptation was serialized in Kadokawa Shoten's Newtype Ace magazine between November 2011 and April 2013. A smartphone game titled Symphogear XD UNLIMITED was released on June 26, 2017.