The competition starts at The Flying Bull, Hampshire, with hosts Russell Theron and Chris Birkett.
At the Victorian Villa in Hampton Hill, Middlesex, landlady Sharon Parker treats her guests to Victorian parlour games, including a whodunit play. But service at breakfast is sluggish.
Faisal Malik and Wak Salim open the doors to their B&B in Cambridge and take their warring guests punting.
At the Elveden Inn in Suffolk, manager Richard Lawson and housekeeper Kerry Alcock think 'hospitality is all about performance'.
The hosts come together for one last time to find out what they've been paid and confront their critics over their feedback.
Kicking off the competition are Harri and Claire Chiba of the Vale of Berkeley Guesthouse in Gloucestershire, who take their guests bird-watching at a nearby wetlands centre.
At Artist Residence in Penzance, Cornwall, couple Justin and Charlie provide quirky, art-filled rooms for their guests, but Blackpool veterans Craig and Alec Coleman think their room is too modern, while Stacey and Spencer Cullum find hair in the shower filter.
Alec and Craig Coleman run the award-winning Edenfield Guesthouse in Blackpool, where Craig plans to reveal his cabaret-star alter-ego Cybil Du Vaux to his unsuspecting guests.
The New Inn at Portland in Dorset is run by publican husband and wife team Stacey and Spencer Cullum, who decide to show their guests a typical island activity; sandcastle building.
The competition culminates in Portland after a week of ups and downs around the country.
Nina Dodd and husband Andy welcome guests to their Scandinavian style accommodation at The Old Stables, Somerset, where some guests are dubious about the no-shoes policy.
Second to host is Morris Cockman, who runs Rigsby's Guest House in Hertford. Morris's tattoos have previously raised eyebrows, while his attempt to entertain his guests at a local zoo isn't a hit with everyone.
David and Erica Hensley, owners of The Fairway in Blackpool, bring some classic Blackpool fun to the mix as the group take on some local zombies in a horror walk. Meanwhile Robin sustains his man of mystery reputation as intrigue builds about his B&B.
Final host of the week is Robin Hughes of the converted Dent Station in the Yorkshire Dales. Robin organises a butchery competition and high end grub nearby, where a few home truths about the group dynamic are revealed.
The B&Bers meet for one last time to find out what they've been paid and confront their critics. And some of Robin's petty marks over the week are thrown to the group for discussion.
At the Black Lion at Halland near Lewes, host Nigel Fright takes his guests out for some salsa, where he impresses with his 'snake hips'. But a coffee shortage at breakfast causes concern.
In Exning, near Newmarker, Ken Clutterbuck welcomes the B&B competitors to The Wheatsheaf. But Ken's sense of humour doesn't go down too well, particularly with guest Nigel.
Super-sensitive Sherrill Tacy of the Sherwood Guesthouse in New Brighton takes her turn as host. And it's her breakfast that gives her the mixed reviews she's been dreading.
The final hosts of the week are Mark and Rachael Dann of the ski lodge themed Big Bear Lodge in Shropshire, where an afternoon of canoeing raises a few laughs but also accusations of cheating.
The B&B owners come together to confront their critics face-to-face, learn what their guests think their rooms are worth and find out who is going to be crowned best value.
The latest competition starts at One 4 B&B in Cheltenham, where debonair host and part-time art dealer Nick Purchase hopes to paint his guests a picture on how to run the perfect B&B.
Day two comes from the Windy Bottom B&B in Maidstone, hosted by Gloria Barnett and Dave Goulding, where an afternoon in the maze at Leeds Castle leads to all manner of dirty tricks.
The third visit of the week is to the pub in Bolton run by Phil and Angie Sutcliffe. Despite Angie's nerves that the Jolly Carter's rooms won't measure up, room inspections go well. But what about the roller disco in the afternoon?
John Humberstone hopes the scaffolding outside his 18-room in Llandudno won't scupper his chances. But there's also a slip-up with towels and teabags to worry about, and then Gloria gets locked in the loo.
It's time for the B&Bers to meet up to discuss the feedback that has been given and reveal the payments that have been made to determine who's the best value B&B.
The latest competition launches on the Isle of Wight, at John and Sue Blakemore's Golf House.
Nick Tyrie and his best friend Layla Amini welcome the guests to their pub in St. John's Wood, London.
At the Bunkroom hostel in Chester David Sharrock is determined to prove hostelling is for everybody - even if his wife Victoria isn't convinced. So, it's bunkbeds and budget breakfast all round.
The last visit of the week is to John Graham's B&B in Blackpool, where an afternoon of ten pin bowling finds the competitive levels reaching fever pitch.
The B&Bers meet one last time to find out what they've been paid and confront their critics face to face.

