

Episode 12: “Decisive Battle”
- 12 of 12
- June 27, 2015
- 24 min
- Aired
From Acino, the anime encyclopedia
| Series | Knights of Sidonia: Battle for Planet Nine |
|---|---|
| Episode | 12 of 12 |
| Japanese | 決戦 |
| Original air date | June 27, 2015 |
| Episode length | 24 min |
| Studio | Polygon Pictures |
| Previous episode | Episode 11: “Encounter” |
| Streaming | Crunchyroll, Netflix |
“Decisive Battle” is episode 12 of the anime Knights of Sidonia: Battle for Planet Nine. It first aired on June 27, 2015.
Summary
A summary of this episode has not been written yet.
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Episode guide
About the series

Knights of Sidonia: Battle for Planet NineTV series · 2015 · 12 episodes · Polygon Pictures · ★ 7.71
Knights of Sidonia: Battle for Planet Nine is a 2015 Japanese anime television series based on the manga series by Tsutomu Nihei. It is animated by Polygon Pictures. It aired from April 11, 2015 to June 27, 2015, with 12 episodes.
Read the article →References
- “Knights of Sidonia: Battle for Planet Nine”. Kitsu. Retrieved October 22, 2026.
- “Sidonia no Kishi: Daikyuu Wakusei Seneki”. MyAnimeList. Retrieved October 27, 2026.
Episode titles and air dates come from Kitsu. The summary is written by Acino with AI assistance and checked so that it does not copy other sites.