Things You Should Have Done
10pm, BBC Three
Lucia Keskin returns with her deadpan brand of comedy in the award-winning sitcom. Working through a list of things to do with her life, left by her dead parents, aimless Chi is feeling good – until the police are back on her doorstep with news of her aunt’s death. It’s a good time to tick therapy off the list with questionable grief counsellor Ruth, played by the always very welcome Bridget Christie. Hollie Richardson
Waterloo Road
9pm, BBC One
The long-running school soap has never been afraid to tackle tough subjects, but this double bill is particularly unsettling as a predatory coach continues to target footie-daft teen Portia. Elsewhere, debt-laden deputy head Darius takes some extreme action to prevent his embezzling from coming to light. Graeme Virtue
Killer in the House: The Murder of Nicholas Billingham
9pm, ITV1
Primary school teacher Fiona Beal was sentenced to life in 2024 for murdering her partner, Nicholas Billingham, and hiding his body in their garden. This programme looks at the awful layers of the case, from Beal going back to teaching to sending texts from Billingham’s phone pretending to be him. HR
24 Hours in Police Custody Investigates: Zombie Knives
9pm, Channel 4
As part of the government’s decision to ban so-called zombie knives in 2024, a scheme was launched to compensate owners for surrendering weapons. As this documentary shows, that had unforeseen consequences when the companies who imported the knives began to claim hundreds of thousands of pounds. Phil Harrison
Dark Winds
9pm, U&Alibi
Those ketamine-induced desert visions bear fruit this episode, as Leaphorn (Zahn McClarnon) and Chee (Kiowa Gordon) uncover vital clues. Leaphorn is even able to move on from the past and take responsibility for his disintegrating marriage. But are the two murders connected by a single killer? A train to Reno may arrive at the answer. Ellen E Jones
The Secret of Me
10pm, Channel 4
Jim Ambrose grew up as Kristi Ambrose in Baton Rouge. In college, Kristi discovered that she was born with atypical genitals and her doctor and parents decided to perform surgery and raise a girl. Jim tells his story in this compelling documentary, which also explores other cases and intersex research, and follows him as he plans to meet the surgeon who operated on him as a baby. HR
Live sport
Champions League Football: Bodø/Glimt v Man City, 5pm, TNT Sports 2 Inter v Arsenal is at 6.30pm on Prime Video; Tottenham v Borussia Dortmund at 7pm on TNT Sports 1.
