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
Crunchyroll
Apple TV Store
Amazon Video
Hulu
U-NEXT
Anime Times Amazon Channel
dAnime Amazon Channel
Watcha
Streaming availability data provided by JustWatch.