When does Sword Art Online II return?

The second season of the Sword Art Online anime television series is based on the light novel series written by Reki Kawahara and illustrated by Abec. It is divided into the story arc "Phantom Bullet" which adapts volumes 5–6 and the side stories "Calibur" and "Mother's Rosario" The 24-episode season initially ran in Japan from July 5 to December 20, 2014 on Tokyo MX with later airings on Chiba TV, tvk, Teleball, GYT, GTV, MBS, TVA, TVh, TVQ and BS11.