Gray tries to manipulate Ian. It's clear that Denzel is hiding something. And Jean's money woes continue.

A villager's life is turned upside down, while Charity clings to her secret and Serena is left feeling conflicted.

Colin Murray, Rachel Riley and Susie Dent host, with Pauline McLynn in Dictionary Corner, as contestants race against the clock to pit their wits against words and numbers.

Father and son Martin and Roman Kemp set off on a journey in search of the legends, landscapes, mystery and history that have shaped the people and culture of Ireland. They begin their adventure on the south coast in County Cork, where they take to the water in kayaks to learn the story of Cliona, Queen of the Banshees, and travel to Spike Island, the former prison known as Ireland's Alcatraz, where they get up close and personal with its haunting history. They also try to unravel the mystery of one of the country's most important stone circles, and encounter a traditional Irish way of dealing with grief and loss that's being revived.

Victoria Coren Mitchell hosts the quiz where knowledge only gets you so far – the vital extra ingredients are logic and lateral thinking.

Three Rocky Horror fans take on a team of New Zealanders, trying to establish the connection between such clues as back save, leg help, face accept the reality and knees party.

One of the teams worked it out after three clues – but what is the answer?

This heats continue, with Magdalen College, Oxford facing Warwick for a place in the second round. Amol Rajan asks the questions.

A daring escape plot is hatched in Brighton. Two of the celebs tap into a military network for intel and support. But the Hunters have picked up their signal and are closing in. A couple of content creators reckon they know how to outsmart their pursuers.

When a box containing a newborn baby was found on Halloween night in 1996, the two women who saw a hand peeking out first suspected it was a trick. Instead, it was Michael - tiny and premature. Now an adult, he wants to know who it was that left him there, and why? Similar questions have haunted 77-year-old Christine, who was discovered in a Waterloo train carriage. But she has more reason than many other foundlings to understand why a mother might give up a child. 

Excitement builds as the Albania trip approaches, but fractured friendships threaten to overshadow the holiday. Junaid searches for the perfect engagement ring for Joe.

A family holiday to Aruba turns into every parent's nightmare when 14-year-old Max DeVries vanishes during a jet ski trip and never returns.

Transport for London investigators Lisa, Holly and Greg are at Seven Kings Station in north-east London to hunt for a suspected prolific fare evader owing the network almost £4,000 in unpaid fares. Meanwhile, Nottingham Express Transit revenue protection agents conduct a plain-clothes operation on the network, joined by the police as part of a joint initiative aimed at reducing fare evasion and antisocial behaviour.

Babatunde Aléshé shares another batch of funny clips from the internet, featuring the world's weirdest dogs, school sports days gone wrong and the top 5 most embarrassing mums ever.

Babatunde Aléshé shares another batch of funny clips from the internet, featuring animals who think they're human, loads of people getting stuck in things and the return of Don't Make Me Laugh.

A camping trip ends in tragedy when one friend is found dead. As the story unravels, suspicion falls on the man who survived.

Professor Brian Cox joins the team to explore the mind-bending mysteries of black holes discovered by the James Webb Space Telescope's most exciting new observations.