Where to watch The Sign of Four (1983)
In US, The Sign of Four 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 |  JustWatch TV  Fawesome |  The Roku Channel  YouTube Free  Plex  Plex Channel  Filmzie  Tubi TV |  Amazon Video  Fandango At Home | Amazon Video Fandango At Home |
| GB | Amazon Prime Video Amazon Prime Video with Ads | JustWatch TV | Tubi TV  Amazon Prime Video Free with Ads Plex Filmzie YouTube Free  Amazon MX Player | Amazon Video | Amazon Video |
| CA | Amazon Prime Video Amazon Prime Video with Ads | JustWatch TV | Tubi TV Filmzie Plex | — | — |
| AU | Amazon Prime Video Amazon Prime Video with Ads | JustWatch TV | Tubi TV Filmzie Plex | Amazon Video | Amazon Video |
| DE | — | — |  Popcorntimes | — | — |
| FR | — | — | — | Amazon Video | Amazon Video |
Availability data via JustWatch through TMDB. Listings change often — last refreshed 27 Sep 2026.