When does Sword Art Online II return?

The second season of the Sword Art Online anime television series is adapted from the light novel series of the same title written by Reki Kawahara and illustrated by Abec. The 24-episode series 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. The series was made available as a worldwide simulcast by Aniplex. Five pieces of theme music are used for this series.