Still going strong in what is now its twelfth season, the pathologist crime-thriller grabbed a 27.7% audience share last night.
ITV1's 'Natural Born Sellers', billed as the poor man's 'The Apprentice', dropped from its debut figure last week of 1.7m viewers to 1.5m last night, a 6.9% audience share.
Channel 4's new documentary 'Ninety Naps a Day', which aimed to shed some light on the everyday misery of those suffering with narcolepsy, drew 2m viewers and an 8.6% audience share. An additional 175,000 tuned in on Channel 4+1.
Comedy pop quiz programme 'Never Mind the Buzzcocks' drew 2.4m viewers for BBC Two between 9pm and 9.30pm and a 10.3% audience share.
Five continued its 'Extraordinary People' series last night, this time focusing on a girl born with a rare and debilitating defect which gives her a mermaid-like appearance.
It was watched by 1.3m viewers, giving Five a 5.8% audience share.