Midsomer Murders topped Wednesday evening's ratings, according to overnight data.
The ITV drama's crossover with The Killing and Borgen climbed to 5.52 million (22.3%) for its finale at 8pm (311,000/1.5% on +1).
On BBC One, Outnumbered dropped over 600k from last week to 4.19m (17.2%) at 9pm, followed by a repeat of Mrs Brown's Boys with 3.69m (16.0%) at 9.30pm.
BBC Two's Winter Olympics highlights scored 2.20m (9.6%) at 7pm, followed by Restaurant Man with 1.60m (6.9%) at 8pm.
Line of Duty returned for a new series with 1.75m (7.4%) at 9pm, while Inside No 9 amused 940k (4.8%) at 10pm.
On Channel 4, Restoration Man gathered 1.73m (7.4%) at 8pm (201k/0.8%), followed by 24 Hours in A&E with 1.96m (8.3%) at 9pm (281k/1.6%). First Dates returned with 841k (4.9%) at 10pm.
Channel 5's Ultimate Emergency Bikers appealed to 1.01m (4.3%) at 8pm, while NCIS excited 858k (3.6%) at 9pm (158k/0.9%). New crime drama Suspects interested 836k (4.7%) at 10pm.
