The Reason Why poster
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The Reason Why

10.0197013mMovieDrama

A meditation on My Lai.

DirectorPaul Leaf
WriterArthur Miller
ProducerGino Giglio

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The Reason Why was released on January 2, 1970 but we couldn't find it on any streaming service yet. Rights can change — try again later.

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Cast · Directed by Paul Leaf

EWEli Wallach
Eli Wallach
Charles
RRRobert Ryan
Robert Ryan
Roger
JCJoan Copeland
Joan Copeland
Charles's Wife (voice) (uncredited)

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The Reason Why — streaming FAQ

Which OTT platform streams The Reason Why?

The Reason Why isn't streaming anywhere in United Kingdom yet.

Is The Reason Why on Netflix?

No, The Reason Why is not on Netflix in United Kingdom as of September 2026.

Is The Reason Why on Amazon Prime Video?

No, The Reason Why isn't on Amazon Prime Video in United Kingdom right now.

Where can I watch The Reason Why for free?

The Reason Why isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.

What is the OTT release date for The Reason Why?

The Reason Why hasn't started streaming in United Kingdom yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around February 20, 1970. This is a prediction, not a confirmed date.