'Mock the Week', hosted by Dara O'Brian with guest comedians Adam Bloom and Gina Yashere, attracted a 13.8% share of the 9-9.30pm audience last night to win its slot.
Channel 4's documentary 'The Ambulance: 8 Minutes to Disaster' came in second with 2.6m viewers and a 12.2% share of the 9-10pm audience. It gained an extra 151,000 viewers on Channel 4+1.
The documentary filmed a whole month of call-outs made by ambulance 212 in Reading, Berkshire.
ITV1's current affairs programme 'Ann Widdecombe Versus Girl Gangs', which saw the straight-talking MP investigating why Britain's teenage girls are increasingly attracted to gang culture, pulled in 2.5m and an 11.8% share of the 9-10pm audience.
A documentary called 'The Undercover Soldier', which saw reporter Russell Sharp going undercover to test the Government's pledge to crack down on bullying of recruits in the army, drew 2.3m viewers (11.1%) to BBC One.
It beat Five's Uefa Cup coverage of Everton and Standard Liege's 2-2 draw, which netted 2m viewers and a 9.8% share of the 8-10pm audience.