How long is Fat Man and Little Boy?

Fat Man and Little Boy is 2 h 7 min long (127 minutes). If you start it at 8:00 pm it ends at 10:07 pm; add about 20 minutes if you watch trailers first.

What is Fat Man and Little Boy rated?

Fat Man and Little Boy is rated PG-13 in the US.

Where can I stream Fat Man and Little Boy?

In the US, as of 2026-11-05: Kanopy (free). Availability changes often; this page loads the live list for your country (streaming availability by JustWatch).

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Where to watch Fat Man and Little Boy (1989) tonight

Fat Man and Little Boy (1989) runs 2 h 7 min, is rated PG-13 in the US and averages 6.2 from 170 TMDB members. Assigned to oversee the development of the atomic bomb, Gen. Leslie Groves is a stern military man determined to have the project go according to plan. He selects J. Robert Oppenheimer as the key scientist on the top-secret operation, but the two men clash fiercely on a number of issues. Despite their frequent conflicts, Groves and Oppenheimer ultimately push ahead with two bomb designs — the bigger "Fat Man" and…

Runtime: 2 h 7 min — ends 10:07 pm if you start at 8:00 pm
Rated: PG-13 (US)
Genres: Drama, History, War
Released: October 20, 1989
TMDB rating: 6.2 / 10 from 170 votes
Director: Roland Joffé
Starring: Paul Newman, Dwight Schultz, Bonnie Bedelia, John Cusack
Language: English

Good for a group? Better for one or two who will actually watch.Drama and History 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 Fat Man and Little Boy streams (JustWatch via TMDB) →

Streaming availability by JustWatch. In the US, as of 2026-11-05: Kanopy (free).

Questions people ask

How long is Fat Man and Little Boy?: Fat Man and Little Boy is 2 h 7 min long (127 minutes). If you start it at 8:00 pm it ends at 10:07 pm; add about 20 minutes if you watch trailers first.
What is Fat Man and Little Boy rated?: Fat Man and Little Boy is rated PG-13 in the US.
Is Fat Man and Little Boy a good movie to watch with a group?: Better for one or two who will actually watch. Drama and History reward attention; a room that talks over it will miss the point.
Where can I stream Fat Man and Little Boy?: In the US, as of 2026-11-05: Kanopy (free). Availability changes often; this page loads the live list for your country (streaming availability by JustWatch).

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Fat Man and Little Boy 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 2026-11-05. 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