How long is The Door into Summer?

The Door into Summer is 1 h 58 min long (118 minutes). If you start it at 8:00 pm it ends at 9:58 pm; add about 20 minutes if you watch trailers first.

What is The Door into Summer rated?

TMDB lists no US age certification for The Door into Summer.

Where can I stream The Door into Summer?

In the US, as of 2026-11-08: Netflix (subscription), Netflix Standard with Ads (subscription). Availability changes often; this page loads the live list for your country (streaming availability by JustWatch).

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Where to watch The Door into Summer (2021) tonight

The Door into Summer (2021) runs 1 h 58 min and averages 6.4 from 53 TMDB members. A pioneering roboticist awakens in 2025 after decades in cryosleep. To change the past and reunite with his adopted sister, he seeks a way back to 1995.

Runtime: 1 h 58 min — ends 9:58 pm if you start at 8:00 pm
Rated: no US certification listed
Genres: Science Fiction, Drama
Released: June 25, 2021
TMDB rating: 6.4 / 10 from 53 votes
Director: Takahiro Miki
Starring: Kento Yamazaki, Kaya Kiyohara, Naohito Fujiki, Natsuna Watanabe
Language: Japanese
Original title: 夏への扉 ―キミのいる未来へ―

Good for a group? Better for one or two who will actually watch.Science Fiction and Drama reward attention; a room that talks over it will miss the point.

Where to watch it tonight

Availability loads live for your country. See where The Door into Summer streams (JustWatch via TMDB) →

Streaming availability by JustWatch. In the US, as of 2026-11-08: Netflix (subscription), Netflix Standard with Ads (subscription).

Questions people ask

How long is The Door into Summer?: The Door into Summer is 1 h 58 min long (118 minutes). If you start it at 8:00 pm it ends at 9:58 pm; add about 20 minutes if you watch trailers first.
What is The Door into Summer rated?: TMDB lists no US age certification for The Door into Summer.
Is The Door into Summer a good movie to watch with a group?: Better for one or two who will actually watch. Science Fiction and Drama reward attention; a room that talks over it will miss the point.
Where can I stream The Door into Summer?: In the US, as of 2026-11-08: Netflix (subscription), Netflix Standard with Ads (subscription). Availability changes often; this page loads the live list for your country (streaming availability by JustWatch).

Lists it could be on

If you like The Door into Summer

The Door into Summer on TMDB · This product uses the TMDB API but is not endorsed or certified by TMDB.

Lights Down is a free tool: tell it your streaming services and how long you have, and it ranks what you can stream tonight, with a this-or-that, a roll, a bracket and a wheel. Movie data from TMDB; streaming availability by JustWatch. Page updated 2026-11-08. This product uses the TMDB API but is not endorsed or certified by TMDB. Lights Down is a Somebody Decide program. How the data works · Legal & privacy · Tonight's lists