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The police search for a boy who went missing after discovering his mother was having an affair. Walker finds he isn't over Helen when he goes on a date with one of Gina's friends

Cassie helps Joy mark her mother's birthday by planting a tree and discovers a time capsule that Grace buried years ago. Fantasy, starring Catherine Bell

The construction of the Tokyo Skytree, the world's tallest free-standing tower, which uses liquid springs and safety glass to withstand earthquakes and high winds

Ainsley Harriott is joined by chefs Daniel Galmiche and Ruby Bhogal at the Wimpole Estate in Cambridgeshire to see who can create and cook the Dish of the Day

Extreme angler Jeremy Wade investigates stories of primordial bloodsuckers in the Pacific Northwest, as he attempts to catch the most ancient river monster of his career

The singer hosts as interior designers and decorators have just one hour to transform the homes of people nominated by a relative or friend

Nick tackles a tidy burglar who insists on clearing up the houses he robs, and investigates a church organist

Stephen Fry looks at the impact of summer in the northern hemisphere and winter in the south, revealing that wildlife faces feast, famine, fire and torrential rain

Alex Polizzi heads for a 15th-century inn in Derbyshire's Peak District that is struggling to attract customers at weekends due to its dated interior design

Cain needs to face up to what his future might hold, while Joe feels unappreciated and Kim is surprised when she pays a visit to Moira

Gary intervenes to reconcile Todd and Theo, Maggie orders Lauren to show Ollie what he's missing, and Alya receives a concerning message

Matron is attacked by a thief and everyone is surprised when the identity of the culprit is revealed. Medical drama, starring Wendy Craig and Paul Fox

The detective investigates a robbery at a local casino and a hit-and-run incident involving the son of a local politician. David Jason stars

A CND rally at the Early Warning Installation creates chaos in Aidensfield, causing Nick to fall out with Kate and an MP to be blackmailed. Rural police drama, starring Nick Berry

Tim is disgusted with Dani and wants her gone, while Sienna offers her some comfort as she leaves the school. Bel asks a nervous Sienna to speak at the vigil for Zac

Todd's friends rally round to support him, Adam and Jodie's feuding turns dirty, Leanne consults Daniel about Sam, and Ollie chastises Maggie for meddling in his affairs

Rhona expresses her gratitude, but is spotted by Lydia, while Laurel confides in her friend Nicola

Charles is in Karachi attempting to set up business in Europe, while Marie-Andree and Ajay vie for ascendancy within the group. Herman is sent on compulsory leave

The actor and comedian embarks on a 1,300-mile journey across the West African country, beginning by visiting Makoko, Lekki and Badagry

Robert Rinder examines the case of Claire Throssell, a mother of two whose life was destroyed by ex-husband Darren Sykes