Where to watch Attack of the Unknown in the United States
Attack of the Unknown (2020) is streaming on Amazon Prime. Also available on Hoopla with a participating library card.
U.S. availability last verified
Attack of the Unknown
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Included with subscription on Amazon Prime
HD · Included
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You can watch Attack of the Unknown (2020) on Hoopla with a participating library card, rent on Apple TV+, or buy on Apple TV+.
A SWAT team transporting a vicious crime syndicate boss must fight their way out of a county detention center during a catastrophic alien invasion.
An unexpected energy radiates from the screen as a cult icon navigates a chaotic prison breakout amidst an extraterrestrial onslaught. This frantic B-movie collision of SWAT tactics and alien terror offers pure, unadulterated genre mayhem.
Trailer
Director
Brandon Slagle
Cast
Tara Reid, Robert LaSardo, Richard Grieco, Tania Fox, Jolene Andersen, Tasha Reign, Roberta Sparta, Douglas Tait, Stacy Johnson, Elizabeth Noelle Japhet
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7 options ranked by value · 🇺🇸 United States
With a library card
Included with subscription
Last verified 16 days ago
Attack of the Unknown
You can watch Attack of the Unknown (2020) on Hoopla with a participating library card, rent on Apple TV+, or buy on Apple TV+.
Director
Brandon Slagle
Cast
Tara Reid, Robert LaSardo, Richard Grieco, Tania Fox, Jolene Andersen, Tasha Reign, Roberta Sparta, Douglas Tait, Stacy Johnson, Elizabeth Noelle Japhet
7 options ranked by value · 🇺🇸 United States
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Attack of the Unknown is streaming on Amazon Prime. Attack of the Unknown is streaming on Amazon Prime Video with Ads. Watch Attack of the Unknown on Hoopla with a participating library card. Rent Attack of the Unknown on Apple TV+. Rent Attack of the Unknown on Fandango At Home. Buy Attack of the Unknown on Apple TV+. Buy Attack of the Unknown on Fandango At Home. We have not verified a current option on Netflix, Hulu, Max, Disney+, Prime Video. Availability last verified October 4, 2026.