Alibi

Richard Poole meets up with a group of old university friends who have arrived on the island for a reunion, only for tragedy to strike when the man who has solved so many murders becomes the victim. Faced with such a sensitive crime, the commissioner quickly drafts in another British inspector to help the team get to the bottom of the mystery. It soon becomes clear that the newcomer, Humphrey Goodman, is just as eccentric as Poole - but he is also just as bright, and wastes no time questioning the partygoers, all of whom are prime suspects, while pondering the biggest mystery of all - how did the culprit commit the crime in full view of all the other guests? Kris Marshall joins the cast, with Ben Miller, Sara Martins and Danny John-Jules

Alexa investigates the death of a tough tennis coach, but she's not the only one on the case. A glamorous private investigator is determined to solve it first

A seemingly serene getaway takes a terrifying turn when Ogden, Hart, Effie and Louise Cherry encounter a group of young girls being pursued by a murderous madman

Murdoch investigates the murder of a slum landlord whose body was found in Santa's toy sack at a department store Christmas parade

Murdoch investigates the shooting of Nathaniel Marston, a construction company owner killed at a barbershop

Murdoch and Brackenreid compete in the caber toss and hammer throw at the Scottish Highland Games, but still make time to investigate the murder of a sword dancer

When Lady Felicia's home comes under threat, Father Brown is forced to seek help from an unlikely ally. Mark Williams and Nancy Carroll star

The corpse of a media-relations officer is unearthed at the opening of a new development in Salter, Central Valley. Mayor Melba Shannon blames eco-terrorists for the murder, but the officers later uncover evidence suggesting she herself could be to blame. When Patrick Jane is kidnapped he puts his life in danger by revealing he knows the true identity of the gang's leader. Elsewhere, a reporter films a documentary about Lisbon's unit at CBI HQ. Guest starring Sharon Lawrence (NYPD Blue)

Charlie and Rex follow the route of a killer after a tech engineer is found dead in her company's self- driving car

A real estate agent is found dead at an open home, and Alexa's investigation takes a paranormal turn when the owner claims the 100-year-old house is cursed

A zombie movie being filmed on the island ends in real-life horror when a stand-in is poisoned - and new detective inspector Humphrey soon deduces that the unfortunate victim was not the killer's intended target. He believes the culprit was after lead actress Lexi Cunningham, but the murder plot went wrong. The Caribbean cops focus their attention on three suspects - film director Carl Collins, screenwriter Arnold Finch and production assistant Susie Jenkins. But why would any of them want the star dead? Michelle Ryan, Peter Davison and Hannah Tointon guest star

Murdoch investigates the shooting of Nathaniel Marston, a construction company owner killed at a barbershop

Murdoch and Brackenreid compete in the caber toss and hammer throw at the Scottish Highland Games, but still make time to investigate the murder of a sword dancer

The corpse of a media-relations officer is unearthed at the opening of a new development in Salter, Central Valley. Mayor Melba Shannon blames eco-terrorists for the murder, but the officers later uncover evidence suggesting she herself could be to blame. When Patrick Jane is kidnapped he puts his life in danger by revealing he knows the true identity of the gang's leader. Elsewhere, a reporter films a documentary about Lisbon's unit at CBI HQ. Guest starring Sharon Lawrence (NYPD Blue)

Charlie and Rex follow the route of a killer after a tech engineer is found dead in her company's self- driving car