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Conspiracy Theory

6.619972h 15mRMovieActionDramaMystery

A man obsessed with conspiracy theories becomes a target after one of his theories turns out to be true. Unfortunately, in order to save himself, he has to figure out which theory it is.

DirectorRichard Donner
WriterBrian Helgeland
ProducersJim Van Wyck·Richard Donner

Where to watch

Howdy Amazon ChannelHowdy Amazon ChannelHooplaHooplaThe Roku ChannelThe Roku ChannelPlexPlexPlex ChannelPlex ChannelTubi TVTubi TV
Availability shown for United States · rights vary by country

Cast · Directed by Richard Donner

MGMel Gibson
Mel Gibson
Jerry Fletcher
JRJulia Roberts
Julia Roberts
Alice Sutton
PSPatrick Stewart
Patrick Stewart
Dr. Jonas
CCCylk Cozart
Cylk Cozart
Agent Lowry
SKSteve Kahan
Steve Kahan
Mr. Wilson
TATerry Alexander
Terry Alexander
Flip
AMAlex McArthur
Alex McArthur
Cynic
RMRod McLachlan
Rod McLachlan
Justice Guard
MPMichael Potts
Michael Potts
Justice Guard
JS
Jim Sterling
Justice Guard
RH
Rich Hebert
Public Works Man
BWBrian J. Williams
Brian J. Williams
Clarke

More from Mel Gibson · Lead actor

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More from Julia Roberts · Co-star actress

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More from Richard Donner · Director

Perry Mason
Perry Mason
1957 · 7.7
Ironside
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1967 · 6.8
The Fugitive
The Fugitive
1963 · 7.3
Wagon Train
Wagon Train
1957 · 6.6
Get Smart
Get Smart
1965 · 8.0
Have Gun, Will Travel
Have Gun, Will Travel
1957 · 7.3
The Rifleman
The Rifleman
1958 · 7.1
The Twilight Zone
The Twilight Zone
1959 · 8.5
Cannon
Cannon
1971 · 6.7
Dick Powell's Zane Grey Theatre
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1956 · 6.2
See all fromRichard Donner

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Conspiracy Theory — streaming FAQ

Which OTT platform streams Conspiracy Theory?

Conspiracy Theory is streaming on Howdy, Hoopla and The Roku Channel in United States, and available to rent or buy on Amazon Video and Apple TV Store. It's not currently on Netflix.

Is Conspiracy Theory on Netflix?

No, Conspiracy Theory is not on Netflix in United States as of October 2026. It's currently on Howdy and Hoopla.

Is Conspiracy Theory on Amazon Prime Video?

Conspiracy Theory isn't included with a Prime Video subscription in United States, but you can rent or buy it on Amazon Video.

Where can I watch Conspiracy Theory for free?

Conspiracy Theory is available to stream free (with ads) on Hoopla and The Roku Channel in United States.