The second instalment of a 'Silent Witness' two-part special captured a 24.5% share of the audience between 9pm and 10pm, according to unofficial overnight figures.
ITV1's 'Natural Born Sellers', which has been described as a poor man's version of 'The Apprentice', drew 1.7m viewers and a 7.7% share of the audience between 9pm and 10pm.
The new series of comedy pop quiz 'Never Mind the Buzzcocks' returned on BBC Two, with 2.2m viewers and a 9.8% share of the audience between 9pm and 9.30pm.
Channel 4 documentary 'Dana: The 8 Year Old Anorexic' had 1.7m viewers and a 7.7% share of the audience in the 9-10pm slot. Including viewers on Channel 4+1, it was watched by 1.9m viewers and an 8.7% share of the audience.
Five aired live coverage of UEFA Cup football involving Premier League teams throughout the night.
Everton's 2-1 defeat to Belgium side Standard Liege netted 1.4m viewers and a 6.9% share of the audience between 6.30pm and 930pm.
Portsmouth's 2-2 draw with Portuguese team Guimaraes pulled in 1.5m viewers and an 11.5% share between 9.30pm and 12.05pm.