User blog comment:Tetsuryuu/Anime Confirmed for Fourth Season/@comment-5481363-20120906170206

More info! \o/

The new opening theme will be called GOING UNDER GROUND, performed by Breakthrough. The new ED will be called "Kimi ga kureta mono 『キミがくれたもの』" performed my Shizuka Kudou.

Also, the episode titles for the last part of the Key of the Starry Sky arc. 147- To the infinity Castle 「無限城へ」 9/8 148- An Angel's Tears 「天使の涙」9/15 149- I can hear the voice of a friend「友の声が聴こえる」 9/22 150- Lucy and Michelle 「ルーシィとミッシェル」 9/29