The second of three episodes in the series - starring Alan Davies and Sarah Alexander - brought in 5.57 million viewers (26.2%), slightly down on last week's 6.33 million return.
BBC One also entertained 2.04 million people at 10.45pm (20%) with Sandra Bullock and Ryan Reynolds's romantic comedy The Proposal.
Meanwhile, ITV's new documentary series Student Nurses: Bedpans and Bandages wowed 2.66 million viewers (12.6%) from 8pm, as first-year trainee Kelly dealt with the challenges of nursing. A further 118.6k (0.6%) tuned in an hour later on ITV+1.
The channel maintained much of the audience at 9pm, as 2.19 million (6.3%) stayed to watch Edge of Heaven. An extra 150.8k (0.9%) caught the episode an hour later, as Alfie and Michelle go their separate ways in an attempt to keep their kiss under wraps from Carly.
Over on BBC Two, a repeat of QI led its prime time schedule (1.54 million, 8.7%) with guests Josh Widdicombe, Phill Jupitus and Katherine Ryan.
Documentary drama miniseries 37 Days starring Ian McDiarmid and Rainer Sellien also gave the channel 1.52 million viewers and an average 7.1% of the audience in its latest episode.
Elsewhere, Gogglebox returned to Channel 4, bringing in 2.29 million viewers (10.8%), as Britain's opinionated telly fanatics debuted a third series (+1: 438.2k, 2.7%).
Earlier in the evening, Clare Balding presented highlights of the second day at Crufts 2014 to 1.28 million (6.0%) followed by a further 141.2k (0.7%) on +1.
Channel 5 crept into the million mark too last night (1.01 million, 4.6%), with its latest episode of Ice Road Truckers (+1: 115.9m, 0.5%). The show was followed by a repeat of Booze, Bust-Ups & Brothels: Soho Blues, which attracted 755.8k (3.6%) and an extra 79.3k (0.5%) an hour later.
On the multichannels, E4 was the best performer with a repeat of The Big Bang Theory's 'The Romance Resonance' episode at 6.30pm (610.7k, 3.3%).
574.8k (2.7%) were also amazed by Dynamo: Magician Impossible, in a repeat episode new to Dave, featuring Kimberly Wyatt and Rio Ferdinand.