Is Iriya no Sora, UFO no Natsu good to watch with a friend?
A quiet night. Iriya no Sora, UFO no Natsu (Iriya's Sky, Summer of the UFOs) is a OVA (home-video release) from Winter 2005 by Toei Animation Co., Ltd.: 6 episodes, about 2.7 hours in total, finished, 7.06/10 across the listing sites.
Watching it together: a quiet night. Tagged psychological, tragedy and not comedy: this wants attention and the right mood, not background chatter. Rule: heavy drama or psychological tags without comedy → quiet night.
This verdict comes from rules over the title's format, length and tags, not from a review — the rule that fired is named above.
The facts
- Type
- OVA (home-video release)
- Episodes
- 6
- Episode length
- 27 min
- Total time
- about 2.7 hours — one evening
- First aired
- Winter 2005
- Status
- Finished
- Studio
- Toei Animation Co., Ltd.
- Score
- 7.06/10 across the listing sites
- Tags
- action, aliens, light-novel adaptation, drama, ghost, school, love triangle, military, nudity, mecha, psychological, robots & AI, romance, sci-fi, seinen, supernatural, tragedy, zombie, violence, war
Data from anime-offline-database (ODbL) as of 2026-07-04; the score is the median of the scores the anime listing sites give it, on a 1–10 scale. Also listed as: Iriya's Sky, The Summer With You; Iriya's Sky, The Summer with UFO; Sky of Iriya, Summer of UFO; Sky of Iriya.
Do you and a friend both want to watch Iriya no Sora, UFO no Natsu?
Queue Up reads two public AniList lists and shows every anime you both have on Planning — with Iriya no Sora, UFO no Natsu flagged if it is one of them — then picks tonight's with a weighted roll or a bracket.
Or open it on AniList or MyAnimeList.
More like this: action · aliens · light-novel adaptation · drama · ghost · school · love triangle · military · mecha · psychological · robots & AI · romance · sci-fi · seinen · supernatural · tragedy · zombie · war.
Quick answers
- How long does it take to watch all of Iriya no Sora, UFO no Natsu?
- About 2.7 hours for all 6 episodes at 27 min each — one evening; at two episodes a night that is 3 evenings.
- How many episodes does Iriya no Sora, UFO no Natsu have?
- 6 episodes of 27 min.
- Is Iriya no Sora, UFO no Natsu finished?
- Yes, Iriya no Sora, UFO no Natsu is finished (6 episodes), so you can watch the whole thing at your own pace.
- Is Iriya no Sora, UFO no Natsu good for a group?
- Better for two than for a crowd. Iriya no Sora, UFO no Natsu is tagged drama, psychological, romance, tragedy; it rewards paying attention, which a group rarely does.
- Where is Iriya no Sora, UFO no Natsu listed?
- Iriya no Sora, UFO no Natsu is on AniList (id 358) and MyAnimeList (id 358); Queue Up keys it by its AniList id and shows it when it is on either of your lists.
Queue Up is a free tool: enter two AniList usernames and it ranks the anime you both want to watch, rolls one for tonight, runs a bracket to settle it and finds new anime that fit both of you. List data from AniList; title data: anime-offline-database (ODbL), dataset of 2026-07-04; page updated 2026-07-04. Not affiliated with AniList or MyAnimeList. Queue Up is a Somebody Decide program. How it works · Legal & privacy · All lists