Stephen Fry's 100 Greatest Gadgets - covering everything from the corkscrew to the computer - averaged 1.93m (8.4%) for Channel 4 from 8pm to 11pm. An additional 221k (1.2%) tuned in on Channel 4+1. Prior to that, coverage of the IAAF Athletics pulled in 1.14m (5%) from 7.30pm and 121k (0.5%) on timeshift.
After its ratings dip on Saturday, Celebrity Big Brother continued its solid performance for Channel 5, attracting 2.15m (11.2%) in the 10pm hour, before Celebrity Big Brother's Bit On The Side entertained 632k (6%) from 11pm.
Elsewhere on Channel 5, Alone Among Grizzlies captivated 937k (3.9%) between 7.30pm and 9pm, and Soho Blues interested 1.06m (4.2%) in the 9pm slot.
Also in the 9pm slot, a new episode of New Tricks had 8.02m (31.8%) on BBC One, while Poirot sleuthed its way to 1.95m (8.4%) on ITV1 between 9pm and 11pm.
Bang Goes The Theory appealed to 2.87m (12.5%) on BBC One from 7.30pm and Countrywise Kitchen served up 3.03m (12.3%) on ITV1 from 8pm. A Question of Sport fetched 3.63m (14.3%) on BBC One from 8.30pm, and The Field of Blood had 2.57m (15.2%) from 10.15pm. The Celebrity Apprentice USA grabbed 730k (7.5%) from 11.15pm.
Wonderstuff and Victorian Pharmacy scooped 1.1m (5.1%) and 1.05m (4.6%) respectively on BBC Two in the 7pm hour. University Challenge and Antiques Master captivated 2.71m (11%) and 1.51m (6%) in the 8pm hour. The Conspiracy Files enthralled 2.2m (8.7%) from 9pm, Ruth Jones' Summer Holiday amused 1.24m (6.1%) from 10pm and Shooting Stars rounded out the night with 960k (6.1%).
Overall, BBC One led primetime with 23% against ITV1's 18.8% (+1: 0.4%). Channel 4 scooped third with 7.4% (+1: 0.7%), followed by BBC Two's 7.1% and Channel 5's 5.4%.
Elsewhere, Hell's Kitchen USA continued with 539k (2.1%) on ITV2 from 10pm and 202k (1.1%) on +1. Victoria Coren's Only Connect quizzed 606k (2.4%) on BBC Four from 8.30pm.
BARB ratings data supplied by Attentional