TV Guide U&Alibi Monday

The priest walks in on a man standing over the body of his dead wife, while Mrs McCarthy strikes it lucky at the church bingo with the help of a fortune teller her sister has befriended. Guest starring Niamh Cusack

A feature-length special to conclude the anniversary celebrations, which stretches from a grey, damp and drizzly London all the way to the sparkling beauty of idyllic Saint Marie. A wealthy shipping magnate is found dead at a Christmas party. Things get stranger when a man in London receives a mysterious Christmas card connected to the victim's death. Danny John-Jules makes a return as charismatic Officer Dwayne Myers, with special guests Mathew Baynton, Juliet Stevenson, Stanley Townsend, Jocelyn Jee Esien, Anthony Calf, Tessa Bonham Jones, Elizabeth Tan, Tariq Jordan and Sara Cox joining the regular cast

The leader of a spiritual retreat is found strangled en route to the contemplation garden, giving Jack plenty to think about as he tries to figure out which member of the group was responsible. The problem is, they were all meditating at the time of the murder, and are able to provide one another with alibis, so how could any of them be the killer? To add to the DI's problems, he is struggling to come up with a speech to honour Commissioner Patterson at an award ceremony. Caribbean whodunit, starring Ardal O'Hanlon

Another mystery for Ardal O'Hanlon as Irish detective Jack Mooney working on the Caribbean island of Saint Marie, where the sun shines all day and it seems half the residents are killers-in-waiting. And so it appears this week as someone from JP's past is caught red-handed at a murder scene, raking up old memories for the young officer. But can the DI unravel the complex mystery to get at the truth? Tobi Bakare and Danny John-Jules co-star, with guest appearances from Ralph Brown and Adjoa Andoh

Feature-length episode. The team investigates when an entrepreneur is found dead in a ravine, but things take a turn when his family's digital marketing guru suddenly disappears. Neville's mum Melanie arrives on the island and teams up with Catherine to take the Saint Marie dating scene by storm and the Commissioner's big Christmas lights switch-on comes to an awkward stop. Caribbean-set detective drama, starring Ralf Little, Don Warrington, Doon Mackichan and Patsy Kensit

A man confesses to murdering his boss, despite being unable to remember what happened. Convinced that things are not as simple as they seem, Neville determines to uncover the truth and unmask the real killer. Detective drama, starring Ralf Little

The team investigates the murder of an estate agent, who has been killed ahead of the potential sale of local beauty spot St Agatha's Cove. Marlon leads a counterfeit goods case to impress the Commissioner, while love is in the air for Neville following an unexpected encounter. Ralf Little, Don Warrington and Ginny Holder star

A man confesses to murdering his boss, despite being unable to remember what happened. Convinced that things are not as simple as they seem, Neville determines to uncover the truth and unmask the real killer. Detective drama, starring Ralf Little