It was announced December last year that "Brave Witches" will have another episode and which will screen theatrically in 2017. The episode will be titled "Brave Witches: Petersburg Grand Strategy" and the story will take place in the seventh and eight episodes of the series soon.

It was also revealed in December that Eila Ilmatar Juutilainen and Sanya V. Litvyak took a break at the Petersburg base and were having a good time with the members of 502nd until the Neuroi attack, Anime News Network reported. And just recently, the official Japanese website for an anime list posted about the TV anime series which will be screened at 11 theatres in Japan.

The 13th episode of "Brave Witches: Petersburg Grand Stragety" is one of those to hit Japanese theatres on May 13 for screenings. The episode will also be included in the 7th DVD/Blu-ray which will be released on August 25, 2017 after the delay of its airing. The story of the anime series will feature the regular members of the 502nd Joint Fighter Wing squadron and other members from the 501st Joint Fighter Wing for a supply mission.

Further, there will also be advance tickets with a rubber mascot of Hikari, Eila, and Sanya which will be newly illustrated by the original character designer Fumikane Shimada and this will be on sale by February 4 at the different theatres, Crunchy Roll reported.

It can also be recalled that this TV anime series was able to air 12 episodes from October to December last year and this will now be available to all Crunchyroll members worldwide expect for those who are in Asia. There will also be available streaming online as it airs in Japan soon. Many are now excited for these unaired "Brave Witches" episodes as it gets theatrical screenings soon.