How long is Unknown: Cosmic Time Machine?

Unknown: Cosmic Time Machine is 1 h 4 min long (64 minutes). If you start it at 8:00 pm it ends at 9:04 pm; add about 20 minutes if you watch trailers first.

What is Unknown: Cosmic Time Machine rated?

Unknown: Cosmic Time Machine is rated PG-13 in the US.

Where can I stream Unknown: Cosmic Time Machine?

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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Lights Down › Tonight's lists › Documentaries under 90 minutes › Unknown: Cosmic Time Machine

Where to watch Unknown: Cosmic Time Machine (2023) tonight

Unknown: Cosmic Time Machine (2023) runs 1 h 4 min, is rated PG-13 in the US and averages 7.4 from 82 TMDB members. The James Webb Telescope stirs imaginations with vivid photos of distant galaxies. This documentary tracks its historic journey from inception to launch.

Runtime: 1 h 4 min — ends 9:04 pm if you start at 8:00 pm
Rated: PG-13 (US)
Genres: Documentary
Released: July 23, 2023
TMDB rating: 7.4 / 10 from 82 votes
Director: Shai Gal
Starring: Joe Biden, Amber Straughn, Thomas Zurbuchen, Becky Smethurst
Language: English

Good for a group? Better for one or two who will actually watch.Documentary 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 Unknown: Cosmic Time Machine 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 Unknown: Cosmic Time Machine?: Unknown: Cosmic Time Machine is 1 h 4 min long (64 minutes). If you start it at 8:00 pm it ends at 9:04 pm; add about 20 minutes if you watch trailers first.
What is Unknown: Cosmic Time Machine rated?: Unknown: Cosmic Time Machine is rated PG-13 in the US.
Is Unknown: Cosmic Time Machine a good movie to watch with a group?: Better for one or two who will actually watch. Documentary reward attention; a room that talks over it will miss the point.
Where can I stream Unknown: Cosmic Time Machine?: 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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If you like Unknown: Cosmic Time Machine

Unknown: Cosmic Time Machine 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