Where to watch An Unknown Enemy (2018)
In US, An Unknown Enemy is streaming on Amazon Prime Video, Amazon Prime Video with Ads.
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| Country | Stream (subscription) | Free | Free with ads | Rent | Buy |
|---|---|---|---|---|---|
| US |  Amazon Prime Video  Amazon Prime Video with Ads | Amazon Prime Video | — | — | — |
| GB | Amazon Prime Video Amazon Prime Video with Ads | Amazon Prime Video | — | — | — |
| CA | Amazon Prime Video Amazon Prime Video with Ads | Amazon Prime Video | — | — | — |
| AU | Amazon Prime Video Amazon Prime Video with Ads | Amazon Prime Video | — | — | — |
| IN | Amazon Prime Video Amazon Prime Video with Ads | Amazon Prime Video | — | — | — |
| BR | Amazon Prime Video Amazon Prime Video with Ads | Amazon Prime Video | — | — | — |
| DE | Amazon Prime Video Amazon Prime Video with Ads | Amazon Prime Video | — | — | — |
| ES | Amazon Prime Video Amazon Prime Video with Ads | Amazon Prime Video | — | — | — |
| FR | Amazon Prime Video Amazon Prime Video with Ads | Amazon Prime Video | — | — | — |
| IE | Amazon Prime Video | Amazon Prime Video | — | — | — |
| IT | Amazon Prime Video Amazon Prime Video with Ads | Amazon Prime Video | — | — | — |
| JP | Amazon Prime Video Amazon Prime Video with Ads | Amazon Prime Video | — | — | — |
| MX | Amazon Prime Video Amazon Prime Video with Ads | Amazon Prime Video | — | — | — |
Availability data via JustWatch through TMDB. Listings change often — last refreshed 4 Oct 2026.