The competition begins at Grange Farm Park in Maltby le Marsh, Lincolnshire, which is run by mum and daughter team Ann Graves and Rebecca O'Brien.
Marilyn and Neil Tuson host the second night of the week at Edgecliff Boutique B&B in Birchington-on-Sea, Kent - hoping the breathtaking views will give them the edge they need.
The third visit of the week takes place at Vera's Kitchen and B&B in Lechlade, Gloucestershire, where young owners Warren Neinaber and Emily Mapson hope to impress their guests.
The guests check in to the Preston Hotel in Yeovil, owned by father and son Bis and Deep Oozageer. Ann and Rebecca find their room more cheap than cheerful, although an afternoon tasting the produce at a cider brandy distillery proves a massive hit.
The B&B owners reunite, ready to air their grievances from throughout the week. Ann and Rebecca from Grange Farm Park aren't happy with Marilyn marking them down for the lack of a hot tub, and Marilyn herself isn't too pleased when her and Neil review the feedback for their slow breakfast service at Edgecliff Boutique B&B.
The competition begins at the Castle Arms Inn in Snape, North Yorkshire, where owner Jill Chinnery hopes the charms of her 17th-century coaching inn will give her the edge.
The B&Bers enjoy the great outdoors at Eden Valley Glamping in Cumbria, a site with a back-to-basics approach - but a dusty bathroom and damp duvets put a crimp in the guests' stay.
The third visit of the week takes place at Fernie Castle in Letham, Fife, where owners Neil and Mary Blackburn hope to impress their guests with their traditional 15th century B&B.
The guests check in to the Cadillac Kustomz Hotel on the Isle of Bute, where the retro design proves popular but the Scottish-American breakfast seems to get lost in translation.
The B&B owners meet up for a final showdown, as Jill from the Castle Arms Inn takes issue with her feedback - wanting to quiz Neil and Mary on their curtain comments in particular. Next, Liz and Dave hope the others will eat their words over the breakfast complaints they found hard to swallow at their Eden Valley Glamping site in Cumbria.
The competition kicks off at My Way Guest House in Broompark, Co Durham, where Kaye Horner and her daughter Lily are counting on their cleanliness to gain top marks.
The second visit of the week is to the Old Orleton Inn in Wellington, Shropshire, where an award-winning breakfast is on offer - but a lack of showers does not go down well.
The third visit of the week takes place at Ambles House in Northampton, where Amanda hopes her homely hospitality will win over her guests.
Richard and Harriet Secular pride themselves on their high-end rooms at the Royal George in Tintern in Monmouthshire - and the guests are not disappointed, with plenty of praise for the hosts throughout the two days. Will the feedback mirror their experience?
Richard and Harriet Secular pride themselves on their high-end rooms at the Royal George in Tintern in Monmouthshire - and the guests are not disappointed, with plenty of praise for the hosts throughout the two days. Will the feedback mirror their experience?
The competition kicks off in Portsmouth at the Seacrest Hotel, where owner Antoinette Stretton and general manager Carmen Cretu hope their experience will set them apart.
The White Horse Hotel in Storrington, West Sussex, is today's venue. The discovery of damp is a cause for concern - and emotions run high as the scores are handed out.
The third visit of the week takes place at Deri-Down Guesthouse in Abergavenny, Wales, where husbands and wife Mike and Del Hayward hope to impress their rivals.
The final visit is to Royle Farm in Staffordshire, where mother and son Margaret and Fraser Mountford hope their farmhouse with a difference will capture the guests' imaginations.
The B&B owners meet up for a final showdown. First to seek some answers on their feedback are Antoinette and Carmen, who want to uncover Glenn and Leon's bedtime blues and share with Mike and Del why their feedback drove them `potty". Next, Glenn and Leon comb through Mike and Del's cleanliness comments, before delving into discussions of damp with Antoinette and Carmen. After opinions are aired and differences debated, the payments are revealed and the winner is announced.
The competition begins at the Coachman Inn in Hartford, Cheshire, where owner Justin Hyam surprises his guests with a romantic revelation at dinner and a breakfast bombshell.
The Foxhall Village Guest House in Blackpool is the second of this week's venues, where the food falls short of expectations and not everyone has a good night's sleep.
The third visit of the week takes place at the Douglas Hotel in Hartlepool, where owner Raqeeb Ramzan and his uncle Raj Malik hope to impress their guests.
Mike and Sue Brierley welcome their rivals to Gables Pod Camping in County Durham, where the guests seem happy with the pods, although tension arises when payment day is discussed.
The B&B owners meet up for a final showdown, as Justin gives Tina and Kay a platform for their feedback about noisy trains and seeks to know more about Raqeeb's problems with his shower. Tina and Kay want to clear up Raqeeb and Raj's cleanliness comments before discussing what really happened at breakfast. After dramatic discoveries and frank exchanges, the payments are revealed and the winner is announced.