ITV1's supernatural drama averaged 5.9m (24.3%) in the 9pm hour, outperforming Comic Relief: Famous, Rich And In the Slums, which had 3.63m (15%) on BBC One.
A further 201k (1.1%) watched Marchlands on ITV1+1. Tonight: The Great Tax Gap fetched 3.32m (14.7%) on ITV1 from 7.30pm and 37k (0.1%) on timeshift.
Earlier on BBC One, The One Show grabbed 4.62m (21.4%) from 7pm and documentary series Human Planet captivated 4.27m (17.5%) in the 8pm hour. Question Time brought in 2.68m (21.9%) from 10.45pm.
Channel 4's Coach Trip mustered 1.75m (10.9%) from 5.30pm and 214k (1%) on +1. Later, Relocation, Relocation located 1.85m (7.6%) in the 8pm hour and 315k (1.3%) on timeshift. New series Love Thy Neighbour debuted with 1.15m (4.7%) from 9pm and 159k (0.9%) on +1. 10'Clock Live was seen by 670k (3.8%) and 95k (1%) an hour later.
Over at BBC Two, The Culture Show enchanted 680k (3.1%) in the 7pm hour, before The Hairy Bikers: Mums Know Best served up 1.78m (7.3%) from 8pm. New series The Spice Trail captivated 2.25m (9.3%) in the 9pm hour and Mock The Week had 1.1m (5.4%) from 10pm.
Monkey Life gathered 795k (3.5%) on Channel 5 from 7.30pm, before Jaws: The True Story entertained 1.03m (4.2%). A screening of Pistol Whipped rounded out the evening with 1.19m (5.7%).
Overall, ITV1 won primetime with 24.4% (+1: 0.5%) against BBC One's 20.8%. BBC Two came in third with 6.2%, ahead of Channel 4 with 4.9% (+1: 0.7%) and Channel 5 with 4.4%.
Elsewhere, Celebrity Juice amused 1.13m (5.9%) on ITV2 from 10pm, the biggest multichannel audience of the night. A further 242k (2.3%) watched the show on timeshift.
Sky1's Mad Dogs averaged 938k (3.9%) in the 9pm hour, up 360k week-on-week. Skins entertained 450k (2.6%) on E4 from 10pm and 109k (1.2%) on +1.
BARB ratings data supplied by Attentional