Long Lost Family topped the Monday night ratings outside of soaps, overnight data reveals.
The ITV series brought in 4.33 million (20.3%) at 9pm, with an added 209,000 (1.2%) tuning in on +1. Earlier, Countrywise was seen by 2.70m (13.9%) at 8pm (197k/0.9% on +1).
On BBC One, The Sheriffs Are Coming appealed to 3.14m (18.2%) at 7pm. A repeat of Room 101 entertained 2.36m (11.2%) at 8.30pm, followed by a repeat of Death in Paradise with 2.53m (11.9%) at 9pm.
BBC Two's WWI Remembered from the Battlefield was seen by 1.51m (8.3%) at 7pm, while its coverage from Westminster Abbey climbed to 2.43m (12.6%) at 9pm.
On Channel 4, Dispatches interested 1.63m (8.3%) at 8pm (215k/1.0%), followed by Food Unwrapped with 1.52m (7.2%) at 8.30pm (143k/0.7%). Royal Marines Commando School attracted 1.94m (9.1%) at 9pm (317k/1.8%), and Kitchen Nightmares gathered 770k (4.4%) at 10pm (166k/1.7%).
Channel 5's Police Interceptors attracted 957k (4.7%) at 8pm, followed by Dangerous Dog Owners and Proud with 1.30m (6.1%) at 9pm (208k/1.2%) and Big Brother with 1.19m (6.7%) at 10pm.
On E4, The 100 continued with 699k (3.3%) at 9pm (205k/1.2%).