The dancing competition dipped slightly from last week, but still attracted 10.2 million and an audience share of 42.9% when it aired at 7pm.
Over on ITV, The X Factor saw an increase from last week, bringing in 7.65m (32.2%), with a further 240,000 watching the singing show on +1.
Back on BBC One, Atlantis continued with 4.09m (17.4%) at 8.15pm, while long-running drama Casualty brought in 3.58m (15.3%) at 9pm.
BBC Two's Dad's Army pulled in 1.38m (5.62%) for the channel at 8pm. Earlier at 7pm former Rugby Union star Jonathan Davies's documentary Trimsaran Boy attracted 850k (3.64%).
I'm a Celebrity... Get Me Out of Here! topped ITV's primetime ratings with 7.77m (36.72%) at 9.45pm, while 2.6m (19.87%) watched The Jonathan Ross Show at 10.50pm, with guests including Joanna Lumley and Chris Tarrant.
Over on Channel 4, Walking Through History continued with slightly better ratings than last week, with 1.01m (4.2%) tuning in for its second episode on the Lake District at 8pm. Around 860k (3.98%) watched Charlie Brooker's How Videogames Changed the World at 9pm.
Channel 5's new series The Bible opened to 1.1m (5.2%) at 9pm, while festive film A Carol Christmas attracted 624k (2.6%) earlier at 7.20pm.
Over on the multichannels, Foyle's War performed well for ITV3, pulling in 1.05m (4.46%) at 8pm, while a double-bill of BBC Four's Borgen attracted 638k (2.74%) and 457k (2.28%) at 9pm and 10pm respectively.
Over on BBC Three, a showing of Jim Carrey film Bruce Almighty amused 485k (2.15%) at 9pm.
BARB ratings data supplied by Attentional