The official website of The Heroic Legend of Arslan (Arusurān Senki) has announced today that the TV anime will be getting a 2nd season and will premiere in 2016.
Additionally, NBC Universal has released a teaser trailer for the upcoming TV anime which you can watch below:
The official Twitter account for the TV anime has also confirmed this announcement along with an image of Arslan on his horse.
【新作TVアニメ制作決定‼︎】
『アルスラーン戦記』の新作TVアニメの制作が発表されました！
2016年、突撃開始！！！
詳細は今後、公式HP・ツイッター等で発表しますので、続報をお楽しみに♪
#arslan pic.twitter.com/j79w3XiUA0
— アニメ『アルスラーン戦記』公式 (@arslan_anime) October 11, 2015
Source: Arslan.jp