The final had an average of 803k (3.6%) from 6pm and the numbers climbed to 1.01 million (4.0%) for the final results at 7.50pm.
BBC Three's new zombie series In The Flesh launched with 668k (3.7%) at 10pm, edging ahead of ITV2's latest TOWIE episode, which had 664k (3.6%).
On BBC One, Countryfile had 7.51 million (33.2%) at 6.30pm, while The Antiques Roadshow followed at 7.30pm with 6.51 million (26.2%).
The BBC's update of The Lady Vanishes drew 6.71 million (26.3%) at 8.30pm.
Kevin Eldon's sketch show It's Kevin debuted with 429k at 10.30pm on BBC Two.
On ITV, the documentary Our Queen entertained 5.36 million (20.8%) from 8pm. Earlier, a celeb edition of Who Wants To Be A Millionaire? had 2.89 million (12.1%) at 7pm, while Perspectives had 2.89 million (9.6%) at 10pm.
Channel 4's evening of movies brought in 1.82 million (8.5%) at 9pm for Salt and 299k (4.38%) at 11pm for Danny Boyle's Sunshine.
Legally Blonde brought 1.35 million (5.2%) at 7.45pm to Channel 5. US import Person of Interest intrigued 768k (4.2%) at 10pm.
BARB ratings data supplied by Attentional