The one-off special - the first new episode of the eccentric panel show in six years - was preceded by retrospective documentary Shooting Stars: The Inside Story, with 2.35m (10.1%) in the 9pm hour. Earlier, a rerun of the Top Gear Vietnam Special pulled in 2.51m (10.8%).
A one-off documentary fronted by Michael Palin, Around The World in 20 Years, had 4.42m (19%) in the 9pm hour for BBC One. It was beaten by a new episode of Taggart on ITV1, which managed 4.79m (21%) over 90 minutes.
An hour-long Emmerdale drew the day's best numbers, averaging 6.61m (29.7%) from 7pm. As a result, EastEnders was down to 6.17m (26.8%) at 7.30pm, although the BBC Three repeat picked up 1.23m (6.2%) at 10pm.
Hollyoaks drew 1.6m (7.8%) to Channel 4 at 6.30pm, then 549k (2.4%) to E4 at 7pm.
One-off programme Britain's Weirdest Phobias, about people with fears of kneecaps and windmills, had a dismal 2.19m (9.4%) for ITV1 in the 8pm hour. It was confidently beaten by BBC One's Holby City, with 5.74m (24.7%), and Channel 4's Country House Rescue, with 2.49m (10.7%).
Tony Robinson and the Ghosts of Glastonbury, an investigation into claims of dead monk ghosts at Glastonbury Abbey, had 1.51m (6.5%) for Channel 4 in the 9pm hour.
Five's ongoing World's Strongest Man picked up 1.33m (5.7%) in the 8pm hour, then CSI: New York brought in 1.12m (4.8%). At 10pm, CSI delivered 915k (4.7%).
BBC One was on top in primetime with an average share of 20.9% (last week: 21.5%) to ITV1's 19.1% (20.4%). BBC Two was third with 10.3% (11.3%), followed by Channel 4 with 6.9% (6.3%) and Five with 4.8% (5.7%).
Ratings data supplied by Attentional