TONIGHT TV: It’s the long-awaited return of Police Inspector Lynley | television

Lynley

8.30pm on BBC One
Leo Suter (Sanditon, Vikings: Valhalla) dons DI Tommy Lynley heels in this 2000s remake of the series, based on the novels by Elizabeth George. Lynley is paired with working-class DS Barbara Havers (Sophia Barclay), who thinks he’s just a “fresh-faced city boy who doesn’t know his ass from his elbow.” But as the chalk and cheese duo continue to solve the first murder case, can their work prove that they are the dream team? Holly Richardson

Corydale

8pm on ITV1
Depicted as a ‘super soap crossover’, the residents of Emmerdale and Coronation Street collide in an explosive special episode. Corrie’s Carl drives drinks with Debbie in the car, while Lisa and Betsy also speed recklessly nearby. In true soap fashion, they crashed on a stormy night between Houghton and Weatherfield. Expect tense scenes, as Aaron and Charity Dingle from the Dales never stay away from the action. Human resources

Protein: everything you need to know

8pm on Channel 4
After the Christmas fun, comes January’s diet debunking: in this documentary, Gemma Atkinson explores the current consumer obsession with protein. From pizza to alcohol, everyone seems keen on sneaking some of the substance into their meals, but does science justify this madness? Phil Harrison

University challenge

At 8.30pm on BBC Two
The second round of the general knowledge competition hosted by Amol Rajan is coming to an end, with the last place in the quarter-finals coming to a close. Churchill College, Cambridge take on Merton College, Oxford to see who will go on to face these upstarts for 10 years. Alexey Duggins

Lucy Worsley’s Victorian Murder Club

9pm on BBC Two

This is the way to do real crime. The historian hopes to solve the case of the Victorian murderer Thames Thurso. Who was the serial killer? Who are the victims? It began with the first in 1887: a lower torso was found in the river, and then other body parts were discovered all over London, from Temple to Battersea and the Regent’s Canal. She enlists the help of a crack team to put everything together. Human resources

Accused of murder No. 1

9pm on Channel 5
A documentary about the police chase returns to the case of a man who was beaten to death in a basement in Lancashire. Cameras are with the cops from the first 999 call onwards, as the investigation, with some big twists, tries to answer one question: is the man caught the perpetrator or the second victim? Jack Seale