Lambing Live, presented by Kate Humble and Adam Henson, averaged 2.36m (9.4%) for BBC Two between 8.30pm and 10pm.
In the 9pm hour, Waking The Dead grabbed 5.43m (21.5%) on BBC One, beating Law & Order: UK's 4m (16%) on ITV1 and 245k (1.4%) on +1. Earlier on ITV1, The Dales entertained 4.1m (16.4%) from 8pm and 127k (0.5%) on timeshift.
Elsewhere on BBC One, Bang Goes The Theory educated 3.07m (13.4%) from 7.30pm and Panorama: Finished At Fifty mustered 3.64m (14.6%) from 8.30pm.
The Great Rift: Africa's Wild Heart fetched 1.43m (6.4%) on BBC Two in the 7pm hour. The final of University Challenge captivated 3.24m (13%) from 8pm. Later, Never Mind The Buzzcocks amused 1.19m (6%) from 10pm.
Channel 4's new teatime chatshow Fern continued with 990k (7.2%) in the 5pm hour, flat on last week's debut episode. Dispatches: Cashing In On Degrees educated 570k (2.3%) from 8pm, before One Born Every Minute took 1.72m (6.8%) from 9pm and 334k (1.9%) an hour later. Heston's 70s Feast served up 720k (4.2%) from 10pm and The Event grabbed 330k (3.7%) from 11.15pm.
How Do They Do It? mustered 608k (2.2%) on Channel 5 from 7.30pm, before The Gadget Show switched on 1.05m (4.2%) in the 8pm hour. A screening of Executive Decision was watched by 1.05m (5.7%) from 9pm.
Overall, ITV1 won primetime with 23.3% (+1: 0.6%) against BBC One's 21.5%. BBC Two came in third with 8.3%, followed by Channel 4 with 4.1% (+1: 0.7%) and Channel 5 with 3.8%.
Elsewhere, Glee averaged 1.44m (5.7%) for E4 from 9pm and 269k (1.5%) on +1.
BARB ratings data supplied by Attentional