Secrets of Your Christmas Food (C5, 8pm)

SIAN Williams and Stefan Gates lift the lid on the food that goes into the annual festive feast. Stefan visits a turkey farm to investigate the reason for the price difference for a basic white turkey, at around £20, and a Norfolk Black, which can cost £75. Sian discovers how the bitter taste is being bred out of sprouts and there’s a report revealing how the most expensive mince pies may not be the best.

The Apprentice (BBC1, 9pm)

WHEN the BBC used to show Donald Trump’s series many years ago, The Apprentice was a cult pleasure. The brainchild of British TV producer Mark Burnett, it was inevitable the strand would be given a UK spin at some point. What wasn’t expected was how big a hit it would become. We’re now at that all-important interview stage when the remaining candidates head to 70 St Mary Axe, a new 21-storey building in the heart of the City of London. There they are interviewed by some of Alan Sugar’s most trusted advisers, who are primed to pick apart their business plans.

The Secret Life of the Zoo at Christmas (C4, 8pm)

AS the festive season approaches at Chester Zoo, Bactrian camels Becky and Mei-Li are about to be given a seasonal surprise in the shape of Sparky, a young addition to the herd. In the zoo’s aquarium, Clerk and Doris, long-term mascara barb fish partners seem to have lost their spark - will the arrival of three new females in their tank perk them up a bit?

My Grandparents’ War: Kristin Scott Thomas (C4, 9pm)

KRISTIN Scott Thomas has starred in a string of projects over the years, from Prince’s film Under the Cherry Moon, to more recent offerings such as Darkest Hour and Tomb Raider. However, it’s her grandfather William who steals the spotlight in this edition of the series. He served as a commanding officer in the Royal Navy throughout the Second World War, and survived some of its most devastating battles, from Dunkirk to D-Day, but never spoke about his experiences.