VPN: the Gray area

Hi Guys,

I have been thinking about something and am unable to find an answer. Many people use a VPN servers to view non-native country web content, i.e. a UK resident using a US VPN service to watch Hulu or vice versa with US and BBC iPlayer. Is this legal? Also, do you have any opinions on the way media is distributed around the world by region specific policies?

Many thanks