A VPN lets your device connect through another country, so you can browse the catalogue there. Check your streaming service's terms first — some don't allow it.
Your services — showing everywhere they carry it, deselect what you don't have
Apple TV Store
Amazon Video
BritBox
Britbox Apple TV channel
BritBox Amazon Channel
BBC Player Amazon Channel
Sky Go
Sky Store
Google Play Movies
Fandango At Home
Streaming availability data provided by JustWatch.