Lynley
8.30pm, BBC One
Leo Suter (Sanditon, Vikings: Valhalla) steps into DI Tommy Lynley’s well-heeled shoes in this reboot of the 00s series, based on Elizabeth George’s novels. Lynley is paired with working-class DS Barbara Havers (Sofia Barclay), who reckons he is just a “fresh-faced city boy who doesn’t know his arse from his elbow”. But as the chalk-and-cheese duo get on with solving their first murder case, could their work prove they’re a dream team? Hollie Richardson
Corriedale
8pm, ITV1
Pitched as a “super soap crossover”, the residents of Emmerdale and Coronation Street collide in an explosive special episode. Corrie’s Carl drink-drives with Debbie in the car, while Lisa and Betsy are also recklessly speeding nearby. In true soap fashion, they crash on a stormy night between Hotton and Weatherfield. Expect tense scenes, with the Dales’ Aaron and Charity Dingle never far from the action. HR
Protein: Everything You Need to Know
8pm, Channel 4
After the Christmas indulgence comes the January diet-shaming: this documentary sees Gemma Atkinson exploring the current consumer obsession with protein. From pizza to booze, everyone seems keen to sneak some of the substance into their treats, but is the craze justified by science? Phil Harrison
University Challenge
8.30pm, BBC Two
The second round of the Amol Rajan-hosted general knowledge quiz draws to a close, with the last place in the quarter-finals up for grabs. Churchill College, Cambridge goes up against Merton College, Oxford to see who’ll continue to face those starters for 10. Alexi Duggins
Lucy Worsley’s Victorian Murder Club
9pm, BBC Two
This is how to do true crime. The historian is hoping to crack the Victorian Thames Torso Murderer case. Who was the serial killer? And who were the victims? She starts with the first in 1887: a lower torso is found in the river, then other body parts are discovered across London, from Temple to Battersea and Regent’s Canal. She enlists a crack team to piece everything together. HR
Murder Suspect No 1
9pm, Channel 5
The police-chasing documentary returns with the case of a man beaten to death in a basement squat in Lancashire. Cameras are with the cops from the first 999 call onwards, as an investigation with a couple of big twists tries to answer one question: is the man arrested the culprit, or a second victim? Jack Seale