The two chapters will be shown on two TV channels:
Chapter 1 "the Awaken Moment" (覚醒ノ刻)
* [Tokyo MX]: September 15th, 2AM
* [BS11 Digital]: September 17th, 11PM
Chapter 2 "Parting Path" (訣別ノ路)
* [Tokyo MX]: September 22nd, 2AM
* [BS11 Digital]: September 24th, 11PM
Chapter 1 was released on May 29th in Japanese cinemas, the second chapter was released on June 26th.
The DVD and Blu-ray Disc version of Chapter 1 was released on July 23rd; Chapter 2 will be out released on August 27th.
Information is from Broken Blade's official blog. Images are from this and this previous posting.