Ginny Buckley heads to rural Lincolnshire to help an optimistic couple with a £500,000 budget find a country home that they feel a strong connection with.

Away from the search, Ginny visits Lincoln Cathedral, which has stood for nearly 1000 years, and discovers the huge scale behind the conservation plans that will safeguard its long-term future.

Quiz in which contestants try to score as few points as possible by plumbing the depths of their general knowledge to come up with the answers no-one else can think of.

Jessie has a dilemma. Amelia makes a shock decision. Nicola has good news for Robert.

Jack checks in on Mel and grows concerned about what is going on. Sharon confronts Keanu about his relationship with Louise. Billy tries to put things right with Jay.

When Holby is stretched to breaking point, an angry Ric can't take the status quo any longer. Can Frieda suppress her pain simply by throwing herself into a punishing work schedule? A reluctant Ange considers calling in someone close to help with a difficult patient.

The mighty Amazon river is where Ben's own personal travel adventures began. More than 25 years later, he is back to meet Chris, a Scotsman who has chosen to make his home in one of the most remote areas of this jungle.

The Pembertons go all out for Mal's 50th. And the park residents have a surprise, too. Mal gets his dad groove on when he ends up at a rave.

A paramedic climbs into a crushed car precariously balanced over a fast-flowing river to treat its badly injured driver. There's a major rescue operation after a man plunges from a bridge onto a busy rail line and a patient's fear of needles jeopardises her treatment after a car crash.

Appa tests neighbourly boundaries when he tries to get cheap wifi. Umma forces Janet to do a questionable reading at Church and Jung hits it off with Shannon's friend, Katie.

Returning Champion;

Henry Louis Gates, Jr. reveals the family history of Kal Penn, Sheryl Sandberg and Marisa Tomei.

Judge Wilson invites Callie and the other clerks over for a seemingly friendly BBQ that takes an unexpected turn. Mariana deals with a lack of diversity in her workplace and questions whether it's the right place for her. Alice struggles with the responsibilities of managing the Coterie.

Johnny finds himself under financial pressure with the arrival of Moira's high-priced red carpet gown for the Crows movie premiere. David is conned into taking a road trip with Stevie.

Contestants will play brand new games "Son of a One Eyed Monster" and "Taste Buds" along with "Blindfolded Musical Chairs" and "Scary Go Round." The winner of each of the first four rounds advances to "Know or Go" and the person who wins that game advances to "Hot Hands" for a chance to win a cash prize.

When Sherloque wants to use a memory machine on Barry and Nora to help gain access to Grace's memories, Nora panics, fearing her parents will find out the secrets she's been keeping from them. Nora secretly decides to use the machine on her own which ends in disaster after she gets trapped inside Grace's mind. Barry and Iris go in after their daughter and Iris is brokenhearted by what she finds. Meanwhile, Ralph tricks Cisco into going out for a night out on the town.

Richard Rawlings gives $100,000 of his time, money and contacts to help rebuild Keys Customs in Key West, Florida. The shop was devastated by Hurricane Irma and now Hurricane Richard and his crew have one week to turn this garage around.