TV tonight: can John Simm’s Brighton cop DI Roy Grace find a missing woman?

More seaside crime-solving as Grace returns with a Grantchester crossover. Plus, more fun in the Bake Off tent as Jojo Sima and Babátúndé Aléshé are among the celebs getting their hands floury. Here’s what to watch this evening 8pm, ITV1 Who knows why some detective shows last and others don’t? Being low-key, a bit old-fashioned and without distinguishing features hasn’t stopped this John Simm vehicle, set in and around Brighton, surviving to a sixth season. Episode one is an inessential-ITV-crime-drama crossover, as Grantchester’s Rishi Nair appears as the husband of a woman who has vanished, for reasons not initially clear. Jack Seale 7.40pm, Channel 4 To watch Celebrity Bake Off is to ease into a state of complete relief, as you realise that the stakes are really, really low. This week, former child star Jojo Siwa admits she’s never baked before, comedian Babátúndé Aléshé provides lashings of humour, and the tray bakes are crumbling. Influencer Molly-Mae Hague is the only one taking things seriously. Micha Frazer-Carroll 8pm, BBC One More fun with the Pride & Prejudice spin-off, focusing on bookish Mary (Ella Bruccoleri), who is about to make her debut in Lon