Great! Mystery TV Guide — Tuesday, 30 June 2026

Lucy vows to put an end to an unscrupulous construction company's plans to take possession of her elderly grandmother's home. Drama, starring Deanne Bray and Enuka Okuma

Beckett attends the scene when Vicky Westlake is murdered with a nail gun, only to find Castle already there and talking to the victim's husband Damian - who turns out be an old schoolmate of the author. When Beckett tags Damian as her prime suspect, Castle digs up evidence from the past to try to convince her that his friend is innocent. Guest starring Jason Wiles (Third Watch)

Carrie is forced to confront her painful past when Dr Eugene Lustig, a prominent researcher who helped her understand her condition, is found dead - having fallen from a 12-storey building. A recent conflict puts his disgruntled assistant at the top of the suspect list - until he too is killed - and a search of the latest victim's apartment uncovers a box of tapes from one of Lustig's studies, some of which include footage of Carrie. A cassette is missing, however, and its significance could be the key to cracking the case

FBI agent O'Connor resurfaces to arrest Brandi on charges of drug trafficking and murder. Convinced her sister is innocent, Mary resolves to uncover the real motive for his actions. Drama, starring real-life siblings Mary McCormack and Will McCormack

An uplifting round-up of good news stories from the UK and around the world.