My Grandparents’ War: Kit Harington

9pm, Channel 4

Kit Harington’s most iconic Game of Thrones episode might be Battle of the Bastards – but, as he finds out tonight, all four of his grandparents were real-life heroes in the second world war. Among the moving and shock revelations, Harington is captivated as he learns that two of them – Lavender and John – worked with the Secret Intelligence Service, serving alongside James Bond creator Ian Fleming and Russian double agent Kim Philby. Hollie Richardson

Celebrity MasterChef

8.30pm, BBC One

With the final just around the corner, tonight’s four celebrity semi-finalists must each create a “fantastical, theatrical showstopping dish”. They’ll need to impress four pioneers of Italian cuisine in the UK: Francesco Mazzei, Jacob Kenedy, Masha Rener and Theo Randall. No pressure, then. HR

All That Glitters: Britain’s Next Jewellery Star

9pm, BBC Two

“Have you ever heard of jewellery made from concrete?” Well, tonight is your lucky night – the contestants must make a brooch using contemporary materials (which also includes string – fabulous!). They then create ear cuffs for an LGBTQ+ event. HR

All Creatures Great and Small

9pm, Channel 5

The hand-up-a-cow’s-bum drama opens its new season with big changes for the vets. James and Helen are preparing for their honeymoon, but…