BBC First

It's Ian's first day as director of integrity, and his first challenge is to decide which cities should host the semi-finals; it's also Miami Day, which may or may not be a Thing.

The Bairds celebrate Eric's clean bill of health by booking their first holiday in seven years; Cathy and Colin's party to show off their new hot tub goes sideways when Sophie's baby scan is snatched and Jaz rocks an unfortunately undersized Speedo.

Sandi Toksvig looks at quills with Alan Davies, Tom Allen, Jimmy Carr and Lou Sanders.

Sandi looks at queens with Alan Davies, Colin Lane, Sarah Millican and David Mitchell.

Roman Kemp and sidekick Sarah Greene host the quiz show where contestants race on moving podiums across the studio floor; correct answers get the players moving, while wrong answers will stop them in their tracks.

A thrilling battle of brainpower as four contestants pit their wits against The Chaser.

The players try to tease out which of Rick's answers are not just wrong but actually impossible; three tense rounds and seeing who is left standing to face the 10,000-pound exclamation point.

The remaining eight bakers face a series of sweet challenges during dessert week.

A mission to haul hefty cargo across Switzerland to the Netherlands, going through four countries with critical repairs at every turn.

Archaeologists find a tomb, a haunting cave, and a sophisticated labyrinth.

Uncover how a royal imprisoned two princes and took the British throne; ponder how the Irish crown jewels were stolen from a locked safe inside Dublin Castle, then see if the death of Amy Robsart at Elizabeth I's court was an accident or murder.

Dive into the historical and natural secrets of the deep; explore an uninhabited concrete island, ocean spirals off the Australian coast, underwater evidence of a violent past and tracks thousands of metres below the sea's surface.

Discovering the furball history of cats and dogs, from caveman to Instagram, hunting companion to pampered pooch.

When Dolphin Cove local royalty Stuart Granger washes ashore with a knife in his back in the middle of a surf carnival, recently returned expat DI Mackenzie Clarke is thrust onto the case.

DI Mackenzie Clarke has two mysteries on her hands: how to solve the murder of a famous influencer in the middle of a fun run and how to stop local bathers taking shortcuts through her property.

Three hairdressers return from lunch to find boss Bianca Bailey has been killed; the method is strangulation, but the murder weapon remains a mystery, one that Mackenzie is determined to untangle.

An eco-activist was murdered while all the suspects were chained together during a protest.

A game of lawn bowls turns to chaos when a man is killed on the green.

When crabby Vince Ogden is found dead in his locked bedsit, it is presumed he ended his own life; but Mack can sense murder and is more than happy to throw herself into the case.

Just when Kate and Sean had resigned themselves to Sydney's extortionate property market, Kate inherits a country manor. The pair decide to turn it into a B&B, but what they don't expect are the restless spirits already there.

The Jessops head to Malta to visit Rachel and Robin's dad; tensions rise when they realize everyone has different ideas about how to spend their vacation time; Rachel reveals her plan to address long-standing family grievances.

Being a vampire has never come naturally to Val, but as he is heir to the throne, all eyes are on him to live up to expectations; when his mom reveals a secret, all becomes clear.

Alison and Mike receive some exciting news about their guesthouse business, but the fallout soon sees tensions running high between the pair as they struggle to deal with particularly demanding guests.

A scientist working at a shark research lab is found dead on a runaway boat; Mack suspects the death is a meticulously planned murder.

When a bride-to-be, Jenny, dies on her hen week, Humphrey and the team suspect murder; Humphrey has a hard decision to make in letting Camille go to Paris.

Being a vampire has never come naturally to Val, but as he is heir to the throne, all eyes are on him to live up to expectations; when his mom reveals a secret, all becomes clear.

Alison and Mike receive some exciting news about their guesthouse business, but the fallout soon sees tensions running high between the pair as they struggle to deal with particularly demanding guests.

Celebrity guests discuss their current projects and the latest gossip hitting newsstands.

A scientist working at a shark research lab is found dead on a runaway boat; Mack suspects the death is a meticulously planned murder.