'New Tricks', featuring an eccentric group of ex-police officers brought out of retirement to investigate unsolved crimes, attracted 4.4m viewers, a 19.8% share of the 9pm-10pm audience.
Last night's episode saw the team investigate the case of one of the last men to be hanged in Britain whose family claim he was the victim of a miscarriage of justice.
Five's 'CSI: Crime Scene Investigation', which saw a skydiver's leap from an aeroplane going hideously wrong, came in second with 2.8m viewers and a 12.6% share of the audience.
The final part of 'Holiday Showdown' on ITV1, a reality show in which two families go on each other's holidays, drew 2.6m viewers and an 11.9% share of the audience.
Self-confessed loners the Brown family swapped their ideal vacation of a survival course in Scotland for the party-loving Maybes family's all-inclusive break in Lanzarote.
The second part of Channel 4's '1066: The Battle for Middle Earth', which drummed home that a fifth of the UK is still owned by descendants of the 190 Normans granted land by William the Conqueror, won 1.3m viewers and a 6.2% share of the 9pm-10.30pm audience. Including Channel 4+1 figures it reached 1.4m viewers.
BBC Two's 'The Trouble with Working Women', focusing on the pay gap between men and women, scored 1.1m viewers and a 4.8% share of the 9pm-10pm audience.