ABBA: WHEN ALL IS SAID AND DONE, CHANNEL 5, 9PM

IT’S time to say thank you for the music once again to Agnetha Faltskog, Bjorn Ulvaeus, Benny Andersson and Anni-Frid Lyngstad, the Swedish quartet behind Abba.

They first came to prominence in the UK by winning the 1974 Eurovision Song Contest with Waterloo. Back then, Benny and Frida, and Bjorn and Agnetha were married, but within a few years, their relationships had broken down, and that took its toll on the group as a whole.

This docu-drama brings their story to life; much has been said and written about Andersson and Ulvaeus in the years since, thanks to the fact they continue to work together, so what makes the programme stand out is the emphasis on the women and the impact that fame had on them.

OLD PEOPLE’S HOME FOR 4 YEAR OLDS AT CHRISTMAS, CHANNEL 4, 9PM

IN August, Channel 4 broadcast a two-part documentary which followed an experiment in which 11 pensioners spent six weeks sharing a classroom with young children to see whether it had a positive impact on the OAPs.

This festive update finds out whether the elderly volunteers are still showing signs of progress in mood, memory and mobility, and brings the young and old back together for a carol service.

WOULD I LIE TO YOU? AT CHRISTMAS, BBC 1, 9.30PM

ROB Brydon hosts a festive edition of the comedy panel show in which the participants aim to hoodwink their opponents with absurd facts and plausible lies about themselves to secure a team victory.

Joining captains David Mitchell and Lee Mack for the Christmas fun are former Test Match Special commentator Henry Blofeld, Witless star Kerry Howard, broadcaster Reverend Richard Coles and BBC News presenter Clive Myrie. They all reveal amazing stories, but are they telling the truth, or making it all up?