The second episode of 'Survivors' earned a 22% share of the audience, having debuted on Sunday night with an audience of 6.5m and a 25.4% share.
The series stars Max Beesley in an end-of-the-world drama where a devastating virus wipes out most of the world's population.
At 8pm, 4.7m, a 20% audience share, tuned in to watch Manchester United battle Spain's Villarreal in a 0-0 draw. Both teams now advance to the knockout stages of the Uefa Champions League.
On Five, 'CSI: Miami' drew 2.2m viewers for a 9.2% audience share, following Horatio Caine as he solved not one, but two brutal murders.
Channel 4's documentary 'Hutch: High Society's Favourite Gigolo' pulled in 1.8m viewers and a 7.4% audience share.
The story followed the rise and fall of Britain's first black celebrity, cabaret star Leslie 'Hutch' Hutchinson. An additional 136,700 watched on Channel 4+1.
A 'Horizon' documentary on BBC Two followed closely with 1.6m viewers and a 7% audience share. This week Jimmy Doherty tackled the issue of genetically modified crops in the episode titled 'Jimmy's GM Food Fight'.