The final visit is to Tanya and Gary's Bae Abermaw B&B, in Barmouth, Gwynedd. They're hoping their incredible views will put them in sight of the winner's plaque - but it's the vista looking into the room rather than out that doesn't delight one set of guests. Can an impressive display at breakfast turn things around?
Four in a Bed is a Reality Show programme and has been classified a 15 certificate.
