The Fourth Protocol

Where to Watch The Fourth Protocol (1987) (Legally)

If the Fourth Protocol is ever breached, there would be no warning, just a nuclear explosion from a bedsitter... The unthinkable has just begun.
Mar 20, 1987 GB 119 min M
6.3 ★ ★ ★ ★ ★
199 votes
Where can I watch “The Fourth Protocol” legally?
We don’t host streams or downloads. Below are legal provider hints for the US region first, with a fallback for other English-speaking regions if available.

US providers

Provider data may be unavailable or changes often. Use the buttons to check legal availability quickly.

English-region fallback

Found availability signals for: GB

Where to watch “The Fourth Protocol” (1987) legally online? See US options first, with English-region fallbacks.

What to expect (spoiler-free)

Planning a movie night? This is a spoiler-free snapshot of “ (1987).

Expect a Action, Thriller blend, with a runtime close to 119 minutes.

Top billed names include Michael Caine, Pierce Brosnan, Ned Beatty, Joanna Cassidy.

The listed certification for some regions is “ (ratings vary by country).

Topics & keywords

cold war, secret agent, british spy, female spy, agent, russian spy

Official trailer

Watch the official trailer on YouTube

Plot

Led by Kim Philby, Plan Aurora is a plan that breaches the top-secret Fourth Protocol and turns the fears that shaped it into a living nightmare. A crack Soviet agent, placed under cover in a quiet English country town, begins to assemble a nuclear bomb, whilst an MI5 agent attempts to prevent its detonation.

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Gallery

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FAQs

Where can I watch it legally?
We only share legal viewing options. Check the “Where to watch” box above for your region and verify on official listings.
Is it available for free?
Free availability depends on region, promotions, or ad-supported services. Always verify on legal providers—availability changes frequently.

Main cast

Michael Caine
as John Preston
Pierce Brosnan
as Valeri Petrofsky / James Edward Ross
Ned Beatty
as Borisov
Joanna Cassidy
as Irina Vassilievna
Julian Glover
as Brian Harcourt-Smith
Michael Gough
as Sir Bernard Hemmings
Ray McAnally
as General Karpov
Ian Richardson
as Sir Nigel Irvine
Anton Rodgers
as George Berenson
Caroline Blakiston
as Angela Berenson