The seventh series of 'Spooks' finished its eight-episode run with 6m viewers and a 25% share, having started with 5.5m and a 23.3% share back in October.
The show finished on a cliffhanger after the team had dealt with a nuclear threat to London and the death of another character -- the third in the current series.
In the same 9pm-10pm slot 'Taggart' notched up 4.9m viewers, and a 20.5% share, with an episode about the murders of a Polish security guard and a woman hotel worker.
The remaining three terrestrial channels were fairly evenly matched, each registering more than a million viewers.
Channel 4 led with 6.6% of the audience tuning in for Tony Robinson-fronted science documentary series 'Catastrophe'. It brought in 1.6m viewers with another 200,000 catching its outing on Channel 4+1.
BBC Two drew 1.3m viewers, 5.4% of the audience, with 'World War II Behind Closed Doors', which finishes next Monday.
Five managed 1.1m and a 4.5% share with documentary 'Sex, Drugs and Rock 'n' Roll: The 60s Revealed'.
This article was first published on brandrepublic.com