TV tonight: it’s already time for the year’s first Christmas special

Sally Lindsay’s antique-dealing detective is drawn into a festive investigation in Madame Blanc. Plus: Martin Lewis tackles the Budget. Here’s what to watch this evening

9.05pm, Channel 5 Series five of the cosy crime drama. Somebody has murdered the mayor of Sainte-Victoire and dumped her body in the village fountain, which has put a dampener on antique-dealing sleuth Jean’s (Sally Lindsay) Christmas Eve wedding plans. Still, she joins the investigation, and though a local builder is under suspicion, she believes there may be a different motive. Ali Catterall

7pm, BBC Two BBC health correspondent Sharon Barbour presents a disturbing one-off documentary about women in County Durham whose mastectomies were found to have been unnecessary. “I feel as if I’ve been butchered,” says one woman, while what happened is called a “horrific outlier” by a former consultant surgeon. Hannah J Davies

7.15pm, ITV1 Given the likelihood that any modern budget will be a mild tinkering at the edges of the UK economy, the challenge for home-finance guru Martin Lewis might be finding enough to talk about – but where viewers have been given choices to make, there’s nobody they trust more to help make them. Jack Seale

9.05pm, Channel 4 Why is Nina Conti insulting a piece of fruit? Will Chloe Petts ever be able to light a match? And when did Richard Ayoade get so good at drawing shoes? It can only be more weird goings-on in Taskmaster, which ends next week with one of the stars winning the golden Greg Davies trophy. Hollie Richardson

10.05pm, Channel 4 This week’s double bill of Leo Reich’s raucous coming-of-age London sitcom starts as it should: with a warehouse sex party. How will mates Sam, Abi and Ethan, each with their own expectations, fare? Then, a video from the night’s proceedings comes to light at Sam’s open-mic night. HR

10.05pm, Channel 5 Channel 5 is experimenting with video podcasts (expect more of them), including this new series in which Sally Lindsay has a nostalgic chat with stars about their greatest telly moments. Her first guest is Suranne Jones, who will hopefully dish some dirt on the upcoming return of Doctor Foster. HR

Women’s Champions League: Man City v Paris Saint-Germain, 7.30pm, BBC Two A league phase tie at Joie Stadium.