New Tricks dipped from last week but still topped Monday, overnight ratings reveal.
The BBC One drama dropped around 600,000 viewers to 5.28 million (23.1%) at 9pm.
21 Up: The New Generation intrigued 1.80m (15.5%) at 10.35pm. Earlier, new series Inside Out gathered 3.14m (15.6%) at 7.30pm, while Panorama brought in 2.52m (11.1%) at 8.30pm.
BBC Two's University Challenge quizzed 2.64m (12.0%) at 8pm, followed by Only Connect's BBC Two debut with 2.03m (12.0%) at 8.30pm. Alex Polizzi: The Fixer was seen by 905k (4.0%) at 9pm.
On ITV, Tonight: The Food We Eat appealed to 2.40m (10.9%) at 8pm. Long Lost Family concluded with 3.79m (15.6%) at 9pm (313k/2.0% on +1).
On Channel 4, Jamie's Comfort Food cooked up 1.26m (5.8%) at 8pm (195k/0.8%), followed by Gadget Man with 1.06m (4.6%) at 8.30pm (175k/0.8%). Royal Marines Commando School continued with 1.53m (6.7%) at 9pm (327k/2.0%).
Channel 5's Police Interceptors brought in 1.03m (4.6%) at 8pm (135k/0.6%). The latest Celebrity Big Brother entertained 1.58m (6.9%) at 9pm (262k/1.6%), followed by Under the Dome with 786k (4.8%) at 10pm.
On E4, The 100 continued with 602k (2.6%) at 9pm (199k/1.2%).
Sky1's Duck Quacks Don't Echo returned with 206k (0.9%) at 8pm, followed by 50 Ways To Kill Your Mama with 260k (1.1%) at 9pm.
