Unfortunately, you can't use your Amazon Prime Video, Apple TV Channel, Roku Channel or C MORE subscription to access BritBox.com, including our mobile, tablet, and TV apps.
You'll only be able to access and watch the BritBox service where you signed up.
Example: You subscribe to BritBox via Amazon. You won't be able to log in using your Amazon account at BritBox.com; you'll only be able to watch through Amazon.
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