Dr Ranj: On Call (STV, 7.30pm)

RANJ Singh first found fame on the CBeebies show Get Well Soon, before reaching a whole new audience via Strictly Come Dancing, This Morning and Save Money: Good Health. However, he’s also a doctor, specialising in paediatric emergency medicine. So, who better to host STV’s new health show? He’ll be giving viewers advice on how to spot, treat and deal with common illnesses and injuries and updating us on the latest medical news. In the first episode, he is riding along with the West Midlands Ambulance Service as they attend call-outs.

Nightmare Cruises: Going Overboard (Channel 4, 8pm)

THIS year, two million Brits will enjoy a touch of luxury and relaxation on a cruise. However, once a fortnight, somewhere in the world, someone is expected to go overboard from a passenger ship. The thought of being all alone in cold, dark waters is a terrifying one – but what are your chances of survival? Safety features include minimum railing and balcony heights. But is enough being done to prevent and investigate these tragic incidents?

Back in Time for the Corner Shop (BBC2, 8pm)

THE Ardens get a taste of running a store in the 1920s, 30s and 40s, considered the golden age of the corner shop due to the plentiful availability of packaged food. However, rationing quickly has a devastating impact on both the shop and the family’s day-to-day lives. The Ardens learn how to make ice cream by hand and blend tea, as well as taking delivery of a vintage fruit machine.

Britain Underwater: Fighting the Floods (STV, 9pm)

IN 2015, the Calder Valley in Yorkshire was devastated by floods. As a result, millions of pounds were invested in defences, some of which were not due to be completed until this summer. And then Storm Ciara and Dennis hit ... This documentary visits some of the towns that suffered most during the recent extreme weather. The programme also goes behind the scenes at the Environment Agency, where staff have the difficult job of trying to deal with the deluges, and asks if more can be done to stop flooding or if we need to accept that it will increasingly be a part of life.