Critical Mass (2013)
Overview
Things aren't looking good for the world's population; as we multiply at an alarming rate there is not enough food, space... or sense. This intelligent film interweaves a fascinating 1960s rat experiment by Dr. John B. Calhoun with a slick snapshot of today's urban jungle.
Where to watch Critical Mass
| Country | Stream | Rent | Buy |
|---|---|---|---|
| United States | Kanopy, Tubi TV | Amazon Video, Apple TV, Google Play Movies, YouTube | Amazon Video, Apple TV, Google Play Movies, YouTube |
| United Kingdom | — | Apple TV, Amazon Video, YouTube | Apple TV, Amazon Video, YouTube |
| Canada | Tubi TV | Apple TV, YouTube | Apple TV, YouTube |
| Australia | — | Apple TV, YouTube | Apple TV, YouTube |
| Ireland | — | Apple TV | Apple TV |
| New Zealand | — | Apple TV | Apple TV |
| South Africa | — | Apple TV | Apple TV |
| Brazil | — | Apple TV | Apple TV |
| Mexico | Tubi TV | Apple TV | Apple TV |
| Sweden | — | Apple TV | Apple TV |
Streaming availability from JustWatch via TMDB, which also lists Critical Mass in 43 more countries. Catalogues change often, so check the provider before subscribing.
What is Critical Mass about?
Things aren't looking good for the world's population; as we multiply at an alarming rate there is not enough food, space... or sense. This intelligent film interweaves a fascinating 1960s rat experiment by Dr. John B. Calhoun with a slick snapshot of today's urban jungle. Critical Mass is a Documentary movie, released on 2013-04-25, runtime 100 minutes.
Is Critical Mass worth watching?
There are not enough ratings yet to summarize how viewers feel about Critical Mass.
Where can I watch Critical Mass?
In the United States, Critical Mass is free to watch on Kanopy and Tubi TV and can be rented from Amazon Video and Apple TV. The table on this page lists 9 more countries. Movie World also lists online streaming sources and links to external sources on this page.
Directed by
Mike Freedman
Cast
- Robert Rapier as Himself
More like this
- Confessions of a CEO: My Life in an Out-of-Balance World (2025)
- Your Chance to Live: Pollution (1973)
- Le peuple du requin et moi (2023)
- Earth: Muted (2021)
- Nature: The Call for Reconciliation (2026)
- Bigger Than Us (2021)
- L'envers d'Amazon (2021)
- Plastic Odyssey : Mission Pacifique (2025)
- The Atlantis Mussels (2024)
- Cry of the Forests - A Western Australian Story (2020)
Sources
Details from Critical Mass on TMDB, also on IMDb. Back to Movie World.