Celebrity MasterChef topped a low-rated Thursday outside soaps, overnight figures show.
The BBC One competition semi-finals attracted 3.90 million (19.7%) at 9pm. Earlier, Traffic Cops brought in 2.54m (12.9%) at 8pm, while Question Time interested 2.48m (21.5%) at 10.35pm.
BBC Two's Mary Berry Cooks appealed to 1.12m (6.2%) at 7.30pm, followed by the RHS Flower Show coverage with 1.51m (7.7%) at 8pm. The Honourable Woman continued with 1.54m (7.8%) at 9pm, and Mock the Week amused 1.61m (9.3%) at 10pm.
On ITV, one-off programme Champneys intrigued 2.11m (10.7%) at 9pm (121,000/0.8% on +1).
Channel 4's Amazing Spaces attracted 1.04m (5.3%) at 8pm (416k/2.1%), followed by Embarrassing Bodies with 1.00m (5.1%) at 9pm (318k/2.0%).
On Channel 5, Black Market Britain brought in 833k (4.3%). New show OAPs Behaving Badly was seen by 1.69m (8.5%) at 9pm (226k/1.4%), while Big Brother continued with 1.28m (8.1%) at 10pm (122k/1.3%).
On E4, the Big Bang Theory season finale entertained 1.21m (6.3%) at 8pm (465k/2.4%), followed by How I Met Your Mother with 879k (4.4%) at 8.30pm (264k/1.3%).