Two new story arcs from the original light novel series will make up the second season of Sword Art Online. The first one, the Calibur arc and the second, Mother’s Rosary will have a new OP titled “Courage” by Haruka Tomatsu and the new ending theme is by LISA.
You can watch it streaming starting October 18, 2014 on Aniplex Channel, Hulu, Chrunchyroll or Daisuki. There is a new episode every Saturday! Check out the official website for the storyline and official pictures.