Dr Christian Jessen and Dr Amir Khan and experts from Aberystwyth University test the health of the nation via urine samples. With 'pee pods' place in four major cities, members of the public are invited to provide samples, with the results revealing which residents drink too much alcohol and eat too much junk food. Elsewhere, a group of volunteers discover how factors like lifestyle, diet and pollution can be a cause for concern.

Documentary exploring the murder of five-year-old April Jones in 2012, featuring previously unheard tapes of the 18 hours of interviews the police conducted with killer Mark Bridger, who was arrested within 24 hours of April being reported missing and charged four days later. The programme also features contributions from forensic psychologist Dr Joe Sullivan and April's family, who share their distress at her body remaining undiscovered.

Follows the controversial environmental movement Extinction Rebellion as they attempt to stage the largest climate protests yet. But just how easy is it to take over Central London?

Goes behind the scenes of leading London fashion agency Milk, which specialises in supplying plus-size models. Owner Anna Shillinglaw set up the agency with a handful of girls seven years ago but now has more than 100 curvy models on her books. Here, Felicity, Sonny and Hayley reveal how they were discovered, talk about the impact modelling has had on their lives and how they deal with the backlash from those who claim they are promoting obesity.

Michael Buerk discovers how the Victorians spent their leisure time, heading to Blackpool to learn how the seaside mini-break was transformed from a perk of the wealthy to a British institution. He steps onto one of the town's famous piers to learn how, thanks to architect and civil engineer Eugenius Birch, these humble loading aids became entertainment hubs. Michael also hears how a rivalry between two showbusiness giants resulted in some of the area's most glorious architecture and how the advent of electricity fuelled the town's tourist industry, via its world famous illuminations.

Tony Robinson explores the history of the nation through the everyday lives of ordinary people.

Michael Buerk looks at the building of bridges around the nation during the era, visiting Clifton Suspension Bridge in Bristol to reveal the secret construction masterpiece that lay hidden in the structure's core for more than a century. He also discovers how the Tay Bridge disaster led to huge leaps in technology and how a new metal emerged as the bridgemaker's building block of choice.

Michael Buerk learns how the Victorians built the biggest, fastest, most technologically advanced ships in the world, which helped the nation to dominate the high seas. In Portsmouth, he boards Queen Victoria's flagship HMS Warrior to reveal surprising construction secrets and the ways the ship kept the peace in international waters, before following in Brunel's footsteps aboard his luxury steamer SS Great Britain.

A honeymoon should be a joyous time – a newlywed couple jetting off to their dream destination after the stress of organising a wedding. However two heinous crimes committed against couples on their honeymoons are documented here. In 2008, a couple were found shot in their idyllic chalet on the Caribbean island of Antigua, while in 2011, a bride returned to her hotel room, only to be later found dead in the bath – a case that remains unsolved after seven years. Featuring expert testimony from people such as Stuart Kirby (left), Professor of Policing, University of Central Lancashire, and accounts from journalists and family.

The Kellogg's factory in Manchester opens its doors to reveal how some of the nation's favourite breakfast cereals are made. Larger than Buckingham Palace, and running 24 hours a day, five days a week, the factory produces one million packets of cereal a day. Cameras spend a day there and follow the process of making Corn Flakes, Crunchy Nut Cornflakes, Rice Crispies, and Coco Pops, with members of the workforce as guides.

Britain spends more money on breakfast cereal every year than anywhere else in Europe, and in this show, the UK has voted to decide its favourite. Celebrities discuss the top 20, while reminiscing about classic cereal adverts. There's also a trip to the café where there is nothing but cereal on the menu, and a famous wheaty challenge is beefed up.

Historical docuseries with Michael Buerk, In Part 1 Michael Buerk jumps on board an original locomotive to discover the effect that the burgeoning rail network had on Victorian Britain.

This film follows artistic director Ake Larson and architect Arne Bergh, as they turn 30,000 tons of snow and 10,000 tons of ice into the coolest place to stay on the planet: the Icehotel.

Tony begins by looking at life during the reign of Tudor king Henry VIII. Tony talks about the role of executioner Thomas Grimes, and reveals how Richard Roose rose from pot washer to being the cook for the Bishop of Rochester.

Joe wound up with kidney stones after extreme 'bulking'. Lexi was left so tired and ill that she burst into tears at everything. Paul lost 30 stone but was left with excess skin.