BBC One and BBC HD secured 8.46m (40.4%) and 255k (1.2%) respectively for the second instalment, which saw Ann Widdecombe score a 2 from judge Craig Revel Horwood.
Strictly retained nearly all of its viewers from the opener. Between 6pm and 7.05pm, its audience climbed from 6.74m (34.8%) to a 15-minute peak of 9.76m (44.5%).
All Star Family Fortunes was hurt by its clash with Strictly, shedding a significant portion of its audience from last week, mustering just 2.78m (13%) at 6.15pm, then Dannii Minogue's return on last night's two-hour X Factor was seen by a total of 11.89m (47.3%): 11.25m (44.7%) on ITV1, and 642k (2.6%) on HD from 7pm.
This represents a 500k rise week-on-week, and a hefty 1.8m rise on the equivalent episode last year. The X Factor peaked at 13.04m (49.7%) between 8.30pm and 8.45pm. The Xtra Factor followed with 895k (3.8%), and 252k (1.3%) on timeshift.
Piers Morgan's interview with Alan Sugar, When Piers Met Lord Sugar, pulled in 5m (21.7%) for ITV1, and 210k (0.9%) on HD at 9pm. Meanwhile, Michael McIntyre's Comedy Roadshow delivered 4.32m (19.2%) to BBC One.
Elsewhere, BBC Two's Ryder Cup golf highlights scored 1.67m (7.2%) from 8.30pm. Prior to that, documentary Blitz: The Bombing of Coventry logged 1.13m (4.5%), and later at 10.30pm, QI: XL intrigued 1.12m (6.7%) on the channel.
Stephen Hawking's Universe notched up 725k (2.9%) for Channel 4 at 7.15pm, then Die Hard 2 appealed to 1.35m (6.6%). Over on Five, a double bill of NCIS fetched 689k (2.7%) and 966k (3.9%), after which two CSI's had 989k (4.5%) and 735k (4.6%).
Overall, ITV1 was way ahead in primetime with a share of 32.3% (HD: 1.7%) to BBC One's 20.6%. BBC Two was next with 5.8%, Channel 4 followed with 4.5%, and Five averaged 3.5%.
Sky Sports 1 dominated daytime viewing, as its live coverage of the Ryder Cup managed 955k (7.5%) between 1pm and 7pm, meaning the channel beat Five in all-day shares.
BARB ratings data supplied by Attentional