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Critical Mass

4.520011h 35mMovieActionThriller

Jeffers works security at a nuclear power plant. The plant is being decommissioned, and a politician is touring the plant and videotaping his comments regarding the closing. A terrorist group led by Samson gets inside the gates, with their…

DirectorFred Olen Ray
WriterSean McGinly
ProducersJim Wynorski·Alison Semenza

Where to watch

Amazon Prime VideoAmazon Prime VideoAmazon Prime Video with AdsAmazon Prime Video with AdsTubi TVTubi TVPlexPlex
Availability shown for Canada · rights vary by country

Cast · Directed by Fred Olen Ray

TWTreat Williams
Treat Williams
Mike Jeffers
LLLori Loughlin
Lori Loughlin
Janine
UKUdo Kier
Udo Kier
Samson
BCBlake Clark
Blake Clark
Sheriff Borden
JBJack Betts
Jack Betts
Atty. Gen. Ames
RC
Richard Anthony Crenna
Tanner
CCCharles Cyphers
Charles Cyphers
Henderson
ND
Neil Delama
Peterson
CECharles Emmett
Charles Emmett
Steve Johnson
DF
David "Shark" Fralick
Rand
NG
Nathan Le Grand
Jack Thomas
TTT.J. Thyne
T.J. Thyne
Karl Wendt

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Critical Mass — streaming FAQ

Which OTT platform streams Critical Mass?

Critical Mass is streaming on Amazon Prime Video, Tubi TV and Plex in Canada. It's not currently on Netflix.

Is Critical Mass on Netflix?

No, Critical Mass is not on Netflix in Canada as of October 2026. It's currently on Amazon Prime Video and Tubi TV.

Is Critical Mass on Amazon Prime Video?

Yes — Critical Mass is included with an Amazon Prime Video subscription in Canada as of October 2026.

Where can I watch Critical Mass for free?

Critical Mass is available to stream free (with ads) on Tubi TV and Plex in Canada.