A Force in Crisis (BBC 1 Scotland/HD & BBC iPlayer only | 8:30pm to 9:00pm | Monday 30th April 2018)

Sam Poling investigates the series of crises to have hit Police Scotland, five years after the creation of the national force. She hears damning testimony from serving officers and discovers evidence of misconduct and the manipulation of crime figures. The programme reveals leaked documents which show corruption at the very heart of the force and a culture of fear within its ranks, documents those at the top tried to suppress. She asks the current chief constable whether, with his own controversial background, he is fit to lead.

Coast Lives (BBC 2/HD | 8:30pm to 9:00pm | Monday 30th April 2018)

Series in which weatherman Barra Best voyages around the Northern Irish coastline, meeting those for whom the sea is a huge part of their lives. His journey begins at Lough Foyle, after which he makes his way to the picturesque harbour of Portbradden.

Paddington Station 24/7 (Channel 5/HD | 9:00pm to 10:00pm | Monday 30th April 2018)

Behind-the-scenes documentary series about one of the UK’s busiest transport hubs and the western rail network it serves. A track circuit failure closes Platform 5 which is used by numerous high-speed trains, British Transport Police are out in force as rival Oxford and Millwall fans use the network, and a young man is seen on CCTV walking dangerously close to the edge of the platform.

Ambulance (BBC 1/HD | 9:00pm to 10:00pm | Thursday 3rd May 2018)

West Midlands Ambulance Service sees a spike in trauma cases and must manage problems of the winter NHS crisis that has left patients lying in the corridors of Royal Stoke Hospital.

Britain’s Great Cathedrals, with Tony Robinson (Channel 5/HD | 8:00pm to 9:00pm | Friday 4th May 2018)

History series. Tony Robinson tells the turbulent history of six of Britain’s cathedrals. Liverpool cathedral is the Church of England’s newest cathedral, and it’s the largest in Britain. The cathedral was designed in the Gothic style by Giles Gilbert Scott, who also designed the red telephone box. It took 74 years to build and was paid for by money donated from the people of Liverpool.

Portillo’s Hidden History of Britain (Channel 5/HD | 9:00pm to 10:00pm | Friday 4th May 2018)

Documentary series. Michael Portillo unlocks the doors to four extraordinary abandoned locations. Since it opened 400 years ago, Shepton Mallet prison has seen thousands of prisoners, numerous executions and countless escape attempts. It has been home to gangsters, and during the Second World War a safe house for Britain’s most precious historic documents such as the Magna Carta.

All TV guide information taken from DigiGuide — www.getdigiguide.tv/?p=1&r=15119.