3 TO SEE; THURSDAY 28 DECEMBER.
MASTERMIND BBC1 7pm
It's time for 40 more stars to take a seat in the iconic black chair and put their IQs and memories to the test. Over the next fortnight, John Humphrys quizzes celebs from the worlds of music, comedy, sports and TV.
STILL OPEN ALL HOURS BBC1 7.30pm
NEW SERIES It's Christmas time and Granville is at his most miserly. He's trying to persuade everyone to buy Christmas Crackers that don't go bang. This special, with James Baxter and Sir David Jason, kicks off the new series.
ATTENBOROUGH AND THE EMPIRE OF THE ANTS BBC2 9.30pm
Sir David is in the Jura Mountains in Switzerland. There he encounters a billion creatures from rival colonies living in harmony in a vast underground network of tunnels and chambers.