公元2067年，以银河系边境的星系为中心，丧失自我而狂暴化、极尽破坏之能事的“Var”症候群，正在逐渐扩大。察觉事态严重性的星间复合企业体，为了将这一症状镇静化，将少女们的“战术音乐组合Walküre”与执行共同作战的“Valkyrie部队”编成到一起。 另一方面，“风之王国”的被称作“空中骑士团”的“谜之Valkyrie部队”开始行动。在“原始文明的遗产”之谜的交错当中，超越星系的热切恋情与友情的物语开幕。
超时空要塞 Δ (季节 0)
Mission 0.89 - Battlefield Prologue (集 1)
播出日期: 2015-12-31
运行时间: 25 min
概述: Looking to escape the confines of an arranged marriage on her home planet, Freyja Wion stows away on a cargo ship, hoping to follow her dreams and audition for the Walkure Tactical Music Unit. She's discovered by Hayate Immelmann, a young dock worker and drifter with no particular dreams of his own. After an outbreak of the deadly Var Syndrome strikes, the Walkure Unit appears on the scene, and the power of Freyja's music is awakened. **NOTE**: This is a "New Year's Eve Special Preview" version of Episode 1 that aired on 2015-12-31. It was only 89% complete at the time of airing, hence the title "Mission 0.89." The creators noted that there is more to this episode after the final scene.
Mission 1+ - Battlefield Prologue (集 2)
播出日期: 2016-07-22
运行时间: 27 min
概述: Looking to escape the confines of an arranged marriage on her home planet, Freyja Wion stows away on a cargo ship, hoping to follow her dreams and audition for the Walkure Tactical Music Unit. She's discovered by Hayate Immelmann, a young dock worker and drifter with no particular dreams of his own. After an outbreak of the deadly Var Syndrome strikes, the Walkure Unit appears on the scene, and the power of Freyja's music is awakened. **NOTE**: This is episode functions as a director's cut of the first episode which combines elements from Mission .89 and the broadcast version of episode 1 that had to be cut due to time constraints.
Mini-Drama 01 (集 3)
播出日期: 2016-07-22
运行时间: 5 min
概述: Released with DVD/BD vol.1
Mini-Drama 02 (集 4)
播出日期: 2016-08-26
运行时间: 5 min
概述: Released with DVD/BD vol.2
Mini-Drama 03 (集 5)
播出日期: 2016-09-27
运行时间: 5 min
概述: Released with DVD/BD vol.3
Mini-Drama 04 (集 6)
播出日期: 2016-10-26
运行时间: 5 min
概述: Released with DVD/BD vol.4
Mini-Drama 05 (集 7)
播出日期: 2016-11-25
运行时间: 5 min
概述: Released with DVD/BD vol.5
Mini-Drama 06 (集 8)
播出日期: 2016-12-22
运行时间: 5 min
概述: Released with DVD/BD vol.6
Mini-Drama 07 (集 9)
播出日期: 2017-01-27
运行时间: 5 min
概述: Released with DVD/BD vol.7
Mini-Drama 08 (集 10)
播出日期: 2017-02-24
运行时间: 5 min
概述: Released with DVD/BD vol.8
Mini-Drama 09 (集 11)
播出日期: 2017-03-24
运行时间: 9 min
概述: Released with DVD/BD vol.9
Episode 12 (集 12)
播出日期: 2018-02-09
运行时间: 119 min
Episode 13 (集 13)
播出日期: 2018-02-19
运行时间: 5 min
Episode 14 (集 14)
播出日期: 2018-02-19
运行时间: 9 min
Episode 15 (集 15)
播出日期: 2021-10-08
运行时间: 110 min
Episode 16 (集 16)
播出日期: 2021-10-09
运行时间: 7 min
