How long does it take to watch all of Natsu e no Tunnel, Sayonara no Deguchi?

About 1.4 hours — one sitting.

Is Natsu e no Tunnel, Sayonara no Deguchi finished?

Yes, Natsu e no Tunnel, Sayonara no Deguchi is finished (1 episodes), so you can watch the whole thing at your own pace.

Is Natsu e no Tunnel, Sayonara no Deguchi good for a group?

Better for two than for a crowd. Natsu e no Tunnel, Sayonara no Deguchi is tagged drama, romance, tragedy; it rewards paying attention, which a group rarely does.

Where is Natsu e no Tunnel, Sayonara no Deguchi listed?

Natsu e no Tunnel, Sayonara no Deguchi is on AniList (id 142769) and MyAnimeList (id 50593); Queue Up keys it by its AniList id and shows it when it is on either of your lists.

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Natsu e no Tunnel, Sayonara no Deguchi cover

Is Natsu e no Tunnel, Sayonara no Deguchi good to watch with a friend?

One sitting. Natsu e no Tunnel, Sayonara no Deguchi (The Tunnel to Summer) is a film from Summer 2022 by Clap Co., Ltd.: 1 episodes, about 1.4 hours in total, finished, 8.09/10 across the listing sites.

light-novel adaptationcoming of agedramaschoolmysterymythologyromancesci-fi

Watching it together: one sitting. It is a film (about 1.4 hours), so the whole thing fits one evening — the easiest kind of anime to agree on. Rule: type MOVIE → one sitting.

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: Film
Episodes: 1
Episode length: 82 min
Total time: about 1.4 hours — one evening
First aired: Summer 2022
Status: Finished
Studio: Clap Co., Ltd.
Score: 8.09/10 across the listing sites
Tags: light-novel adaptation, coming of age, drama, school, mystery, mythology, romance, sci-fi, supernatural, time travel, tragedy

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: The Tunnel to Summer, the Exit of Goodbye; The Tunnel to Summer, the Exit of Goodbyes; Tunnel to Summer.

Do you and a friend both want to watch Natsu e no Tunnel, Sayonara no Deguchi?

Queue Up reads two public AniList lists and shows every anime you both have on Planning — with Natsu e no Tunnel, Sayonara no Deguchi 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: light-novel adaptation · coming of age · drama · school · mystery · mythology · romance · sci-fi · supernatural · time travel · tragedy.

Quick answers

How long does it take to watch all of Natsu e no Tunnel, Sayonara no Deguchi?: About 1.4 hours — one sitting.
How many episodes does Natsu e no Tunnel, Sayonara no Deguchi have?: 1 episode of 82 min.
Is Natsu e no Tunnel, Sayonara no Deguchi finished?: Yes, Natsu e no Tunnel, Sayonara no Deguchi is finished (1 episodes), so you can watch the whole thing at your own pace.
Is Natsu e no Tunnel, Sayonara no Deguchi good for a group?: Better for two than for a crowd. Natsu e no Tunnel, Sayonara no Deguchi is tagged drama, romance, tragedy; it rewards paying attention, which a group rarely does.
Where is Natsu e no Tunnel, Sayonara no Deguchi listed?: Natsu e no Tunnel, Sayonara no Deguchi is on AniList (id 142769) and MyAnimeList (id 50593); 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 2026-09-23. Not affiliated with AniList or MyAnimeList. Queue Up is a Somebody Decide program. How it works · Legal & privacy · All lists