PICK OF THE DAY

Who Wants To

Be A Millionaire?

9.15PM, ITV

The world’s most famous quiz returns for a week of special shows to celebrate its 20th anniversary. Though there’s a new question master, with Jeremy Clarkson taking over the reins, the format remains the same, with each contestant having the chance to answer 15 questions correctly in order to win a whopping £1 million – which, oddly, still seems as vast a sum as it did 20 years ago. Familiar lifelines Ask The Audience, Phone A Friend and 50:50 are back, plus there are a couple of new twists along the way. Continues nightly at 9pm.

Collection Hunters

4.30PM, CH4

From teapots and helmets to stamps and watches, we are a nation of collectors.

But a single missing item can diminish an entire collection, and stop its value reaching its full potential. In this one-off programme, a team of experts set out to help people track down those frustratingly elusive missing pieces.

Britain’s Most Historic Towns

8PM, CH4

This week, Professor Alice Roberts is in Gloucestershire, exploring Cheltenham,

Britain’s most Regency town. Immersing herself fully into the historical experience,

Alice investigates the rigid social hierarchy of the period, attends a society ball and explores the surprising Regency penchant for enemas.

Casualty

9.15PM, BBC1

As Connie makes her return to the emergency department, she wastes no time in staking her territory, in more ways than one. Meanwhile, when Leigh-Anne takes desperate measures, Ethan once again steps in to save the day – but is he getting too personally involved with the family of his late nemesis? SOPHIE HEATH