Are you sure you can do it through smart TV apps? I thought most smart TV's (like Samsung) are already region-based and even if you change settings at the router level it won't make a difference?
Dad is very impressed with your pub crawl.
When we went to the UK in 2003 he managed to find one of the oldest ones there. Set in the side of the rock under Nottingham Castle, it claims to have been established in 1189!