

Episode 4: “Watchdogs of the Spirit Tree”
Alderamin on the Sky · 永霊樹の番犬たち
- 4 of 13
- July 30, 2016
- 23 min
- Aired
From Acino, the anime encyclopedia
| Series | Alderamin on the Sky |
|---|---|
| Episode | 4 of 13 |
| Japanese | 永霊樹の番犬たち |
| Original air date | July 30, 2016 |
| Episode length | 23 min |
| Studio | Madhouse |
| Previous episode | Episode 3: “The Knights of the High-Level Officer's School” |
| Next episode | Episode 5: “Two in One” |
| Streaming | Crunchyroll, Prime Video |
“Watchdogs of the Spirit Tree” is episode 4 of the anime Alderamin on the Sky. It first aired on July 30, 2016.
Summary
A summary of this episode has not been written yet.
Music in this episode
- ED 1“nameless” — KanoAnimeThemes
Where to watch
Streaming services that list Alderamin on the Sky. What you can watch depends on your country. Acino does not host any video; each link leads to the service's own page.
Episode guide
About the series

Alderamin on the SkyTV series · 2016 · 13 episodes · Madhouse · ★ 7.62
Alderamin on the Sky is a 2016 Japanese anime television series based on the light novel series by Bokuto Uno. It is animated by Madhouse. It aired from July 9, 2016 to October 1, 2016, with 13 episodes.
Read the article →References
- “Alderamin on the Sky”. Kitsu. Retrieved October 22, 2026.
- “Nejimaki Seirei Senki: Tenkyou no Alderamin”. MyAnimeList. Retrieved October 27, 2026.
- “Alderamin on the Sky”. AnimeThemes. Retrieved October 23, 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.