Planet Earth III (BBC 1/HD | 5:35pm to 6:35pm | Sunday 17th December 2023)

Heroes. Series 3, episode 8. David Attenborough introduces conservation heroes fighting to save the world’s wildlife, from exploring remote jungles to going undercover to catch criminals in the illegal ivory trade. In South Africa, new breeding populations of black rhino are set up in safe havens where they will be protected from poachers, while a conservationist in Ecuador works to protect endangered frogs.

Vigil (BBC 1/HD | 9:00pm to 10:00pm | Monday 18th December 2023)

In the aftermath of a brutal rescue mission, Amy is convinced that what she’s believed up until now has been a lie, but all the evidence points the other way. With Amy completely isolated, Kirsten begs her to come home, but she cannot let go of her suspicions. Despite huge pressure from above, Amy refuses to leave Wudyan, putting herself in grave danger.

Vigil (BBC 1/HD | 9:00pm to 10:00pm | Tuesday 19th December 2023)

Amy scrambles for answers with one person dead and another injured on board her flight home. Kirsten puts herself in greater danger when she agrees to meet with Sutherland and when she discovers the full scale of the conspiracy, Amy must decide if she’s prepared to risk everything to find those responsible.

All Creatures Great & Small and The Yorkshire Vet (Channel 5/HD | 8:00pm to 9:00pm | Thursday 21st December 2023)

Just over 50 years ago, an unassuming vet called Alf Wight, under the name James Herriot, put pen to paper and created the global phenomenon All Creatures Great and Small. With access to the film set and studios, Peter Wright and Shona Searson from The Yorkshire Vet experience 1940s Darrowby at Christmas, and get an unseen glimpse into the magic that the Christmas special has to offer.

All Creatures Great and Small (Channel 5/HD | 9:00pm to 10:10pm | Thursday 21st December 2023) ** PICK OF THE WEEK **

On a Wing and a Prayer. Series 4. Series 4, episode 7. An emotional phone call with a very pregnant Helen makes James determined to get back to her, but he doesn’t have many options, and RAF mascot Georgie needs his help. Meanwhile, Mrs Hall prepares a community Christmas celebration in Darrowby, while Siegfried and Carmody argue over who will be Father Christmas.

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