It's feedback time, and the rival owners meet to find out what they've been paid. Some are ready for a fight and are disarmed by one owner's plan to 'kill with kindness'.
It's the fourth and final B&B of the week, and the hosts are publicans Craig and Marie Harris of The Peaks Inn, Derbyshire. Some guests are underwhelmed both by the place and the activity.
Mother and daughter team Eileen and Jannika Hopeakoski open their doors at Sea-La-Vie for the third visit, and the guests think the stylish rooms are a fine vintage.
The second B&B is Pitlessie House in Fife, Scotland. Owner Kristin Grantham's slipper policy gets things off on the wrong foot, but her bagpipe playing competition is a hit.
Maggie and Ian Dickson's home-from-home at Glenferndale near Edinburgh is where the competition begins. They host Eileen and Jannika Hopeakoski, Craig and Marie Harris and Kristin Grantham.
It's time for the B&Bers to face the music, as they come together for one last time to find out what they've been paid and confront their critics face to face.
The guests at Lucy Roe's B&B are delighted with the elegant décor, but George and Juliet bemoan the lack of en-suite bathroom, and Kevin and Robert are horrified by the state of their mattress.
The B&B competition re-convenes at the nautical Pilot Boat Inn on the Isle of Wight. But for some of the guests, the rooms aren't quite shipshape.
Lucy and Caroline make a mysterious, toe-curling discovery in their bathroom at the Old Hall Inn in Yorkshire. And an afternoon's angling leaves George and Juliet reeling as they fail to catch a fish.
The latest competition begins at Cherry Tree House in Blackpool, where an afternoon learning clown skills sees a North-South divide develop within the group
The rival owners come together for the final time, to discover what they've been paid and settle some scores. A huge clash between two of the hosts ensues.
At Helen Fraser's Tai'r Bull Inn in the Brecon Beacons, Saida and Veronica make a discovery in their room that leaves them refusing to stay the night.
Partners Veronica Pickles and Saida Hammoud run their 13 room guest house in Torquay almost entirely alone. Their Herculean efforts are praised by their rivals, but the dated décor does not unnoticed.