A Yuletide Spectacular Including ski-ing, ice-skating and Alpine sports, recorded on location in the BBC Big Top, 4,000 feet up in the Swiss Alps with international stars Andy Williams, Petula Clark, Boney M, Manhattan Transfer, Sacha Distel, Charles Aznavour, The Three Degrees, Sheila B Devotion, Jacqueline Harbord. Introduced by Demis Roussos