TV Tonight: The hit sitcom returns – with the addition of Bridget Christie | television

Things you should have done

10pm on BBC Three
Lucia Keskin returns with her brand of deadpan comedy in the award-winning sitcom. Going through the list of things to do with her life, left by her dead parents, an aimless Chi feels relieved – until the police return to her doorstep with news of her aunt’s death. It’s a good time to cross therapy off the list with questionable grief counselor Ruth, played by the always welcome Bridget Christie. Holly Richardson

Waterloo Road

9pm, BBC One
The long-running school series has never been afraid to tackle tough topics, but this double bill is especially troubling as the predatory coach continues to target ditzy teen Portia. Elsewhere, indebted Vice President Darius takes some drastic measures to prevent his embezzlement from coming to light. Graeme Virtue

The Killer in the House: The Murder of Nicholas Bellingham

9pm on ITV1
Primary school teacher Fiona Bell was sentenced to life in prison in 2024 for murdering her partner Nicholas Billingham and hiding his body in their garden. This program delves into the horrific layers of the case, from Bell’s return to teaching to sending text messages from Bellingham’s phone pretending to be him. Human resources

24 hours in police custody for investigation: zombie knives

9pm on Channel 4
As part of the government’s decision to ban so-called zombie knives in 2024, a scheme has been launched to compensate gun owners for handing them in. As this documentary shows, this had unexpected consequences when the companies that imported the knives began demanding hundreds of thousands of pounds. Phil Harrison

Dark winds

9pm, U&Alibi
Those ketamine-induced desert visions come to fruition in this episode, as Leaphorn (Zane McClarnon) and Chi (Kiwa 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 crimes linked to one killer? A train to Reno may provide the answer. Ellen E. Jones

Secret from me

At 10pm on Channel 4
Jim Ambrose originated the role of Christy Ambrose in Baton Rouge. In college, Christy discovered she was born with atypical genitalia, and her doctor and parents decided to have surgery and raise a girl. Jim tells his story in this moving documentary, which also explores other intersex conditions and research, and follows him as he plans to meet the surgeon who operated on him when he was a baby. Human resources

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