The comedy panel show, featuring Street stars Kym Marsh, Shobna Gulati and Andy Whyment, averaged 1.11m (5.2%) for ITV2 from 10pm and 181k (1.5%) an hour later.
In a night dominated by Corrie's landmark live episode, the soap's anniversary show Coronation Street: 50 Years, 50 Moments entertained 6.83m (27.2%) on ITV1 from 9pm.
In BBC One's comedy hour Have I Got News For You and Live at the Apollo amused respective audiences of 5.17m (20.3%) and 4.31m (17.5%) from 9pm. Earlier, The One Show was watched by 4.88m (21.8%) from 7pm, down 1.14m week-on-week, and The Apprentice: The Final Five grabbed 2.53m (9.4%) in the 8pm hour.
Kirsty and Phil's Perfect Christmas fetched 890k (3.3%) on Channel 4 in the 8pm hour and 306k (1.2%) on +1. New series The House That Made Me opened with 1.21m (4.8%) from 9pm and 182k (0.9%) an hour later. A screening of My Best Friend's Wedding had 530k (3.5%) from 10pm and 83k (1%) on timeshift.
BBC Two's coverage of the UK Snooker Championships potted 950k (4.1%) in the 7pm hour, before Nigella Kitchen and Rick Stein's Cornish Christmas cooked up respective audiences of 1.54m (5.8%) and 1.76m (6.4%) in the 8pm hour. At Home with the Georgians took 1.21m (4.8%) from 9pm, before Never Mind The Buzzcocks amused 1.38m (6.2%) from 10pm.
Highland Emergency grabbed 973k (4%) on Channel 5 from 7.30pm. It was followed by Silver Pharaoh Mystery, which appealed to 1.22m (4.5%) in the 8pm hour. A screening of Men of Honour fetched 927k (4.5%) from 9pm.
Overall, ITV1 dominated primetime with 33.7% over BBC One's 18%. BBC Two came in third with 5.1%, while Channel 4 and Channel 5 tied for fourth with 3.8% (C+1: 0.7%).
Elsewhere, the new series of Misfits continued on E4 with 827k (4.2%) in the 10pm hour and 226k (2.5%) an hour later.
On BBC Three, Russell Howard's Good News amused 826k (4.7%) between 10.30pm and 11pm.
BARB ratings data supplied by Attentional