Yumemi Hoshino
main character
ONA
7.4
My TrackerPLANNING
Episode: 0 / 5
My Score:
Anime DetailsFINISHED
- Format
- web series (ONA)
- Episodes
- 5
- Episode length
- 19 min
- Total watch time
- 1 h 35 min
- Status
- Finished
- Aired
- July 7, 2016 – August 4, 2016
- Season
- Summer 2016
- Source
- Visual novel
- Studio
- david production
- Director
- Naokatsu Tsuda
- Original creator
- Key
- Music
- Shinji Orito, Tomohiro Takeshita, Donmaru
- Age rating
- PG — Teens 13 or older
- Country
- Japan
- AniList score
- 74/100
Estimated watch time
1h 35m
⚡ 1 days at 5 eps/day
Tags & Tropes
Robots100%Post-Apocalyptic97%Artificial Intelligence97%Astronomy81%Male Protagonist68%Female Protagonist65%Mythology60%Urban53%Survival46%Guns46%
ONAFINISHED2016 SUMMER7.4 / 10 AniList score
Planetarian
planetarian～ちいさなほしのゆめ～• planetarian: Chiisana Hoshi no Yume
Synopsis
Hoshino Yumemi is a companion robot working at an abandoned planetarium. It’s been thirty years since her last customer, but she continues to wait. When a customer finally appears, she enlists his help to fix the planetarium so she can show him the stars. (Source: Crunchyroll)
Trailer
Watch on YouTubeMain cast & voice actors
Should you watch Planetarian?
Planetarian has been well received, with an average AniList score of 74/100 — 51% of 11,527 ratings are 8/10 or higher.
It ranks #4 highest-rated anime of 2016, and #6 most popular anime of 2016 on AniList.
Of the 17.3K AniList users who started it, 3.4% dropped it, so it is rarely abandoned; 15.2K have finished it.
At about 1 h 35 min in total, it is a short commitment — a weekend binge.
Best for viewers who enjoy Drama, Fantasy, Sci-Fi — especially robots, post-apocalyptic, artificial intelligence, astronomy.
Where to Watch Officially
Availability, audio and subtitles vary by region and service.
Episodes
5 episodes are listed.
Creators & key staff
- Original creator
- Key
- Director
- Naokatsu Tsuda
- Character design
- Hitomi Takechi
- Music
- Shinji Orito
- Music
- Tomohiro Takeshita
- Music
- Donmaru
Where it fits in the series
- Watch first: planetarian: Snow Globe (2021)
- Optional extras: Planetarian: Storyteller of the Stars
Related entries
Opening & ending themes
Endings (2)
- ED1“Twinkle Starlight” by Sayaka Sasaki · eps 1-4
- ED2“Hoshi Meguri no Uta” by MELL · eps 5
Theme data from AnimeThemes.moe.
If you like Planetarian
More like this →
Planetarian FAQ
How many episodes does Planetarian have?
Planetarian has 5 episodes of about 19 minutes each, roughly 1 h 35 min in total.
Is Planetarian finished?
Yes. Planetarian has finished airing — the final episode aired August 4, 2016.
Is there a season 2 of Planetarian?
No sequel is listed for Planetarian as of October 2026.
What should I watch before Planetarian?
Watch planetarian: Snow Globe first — Planetarian is a direct sequel.
Is Planetarian based on a visual novel?
Yes. Planetarian adapts the visual novel by Key.
Who animated Planetarian?
Planetarian was animated by david production and directed by Naokatsu Tsuda.
Where can I watch Planetarian?
Planetarian is listed on Amazon Prime Video, Crunchyroll. Availability varies by region — check the streaming links on this page.