TV Guide Alibi Saturday

The Caribbean-set crime drama returns, and there is a double celebration as the show marks its landmark 100th episode and Commissioner Selwyn Patterson celebrates 50 years of service. However, the party is cut short when the boss is shot by a mysterious assassin and left fighting for his life. As the team members search for the culprit, will the police veteran survive? Starring Ralf Little, Don Warrington and Shantol Jackson

The detective and Brackenreid set sail on the maiden voyage of passenger liner SS Keewatin, where they are soon tasked with investigating the disappearance of a ship magnate's daughter. Crime drama, starring Yannick Bisson and Thomas Craig

The sudden death of a bicycle racer leaves Dr Grace struggling to determine the cause. With Julia's assistance, she performs her first brain bisection in her quest for the truth. However, just as she appears to be getting close to reaching a conclusion, the discovery of an injection mark on the victim's arm seems to contradict her findings. Drama, starring Georgina Reilly, Helene Joy and Yannick Bisson star

Thomas Edison becomes a murder suspect after a shot is fired in a movie house to coincide with the noise of a bullet in the film being presented by one of his rivals in sound technology. The victim is inventor James Pendrick's principal investor, but Ogden reasons the target was Pendrick himself. Crime drama, starring Yannick Bisson and Helene Joy

A young woman's body is washed up beside a pier, leading Gently and Bacchus to question the staff and guests of the nearby holiday camp where she worked. It turns out she was a popular member of staff, a charismatic performer and great with the guests - but her mother's reaction to her death makes the detectives suspect there is more to her family situation than meets the eye. And when her colleagues' alibis for the night of the murder don't quite stack up, a different picture of the victim - and the camp - comes to light. Martin Shaw and Lee Ingleby star, with guest appearances from Pixie Lott, Lee Boardman, Lisa Riley and Andrea Lowe

Neville receives an anonymous letter telling them a murder is about to be committed. Not long after, he and Naomi are called to the harbour when a body is pulled from the ocean. The victim suffered blunt trauma and it is soon suggested that his disgruntled wife may be a person of interest. Marlon returns after taking a short holiday following his disappointing exam results. Sun-kissed detective drama, starring Ralf Little, Don Warrington and Ginny Holder

Following Neville's arrest on suspicion of killing David Cartwright, DI Karen Flitcroft from the Department of Policing Standards arrives to investigate. CCTV footage shows an agitated Neville visiting the victim shortly before he was found dead, which as far as Flitcroft is concerned proves his guilt - so she advises the team members that if they are convinced of their inspector's innocence, they must prove it quickly. Robert Webb guests stars in the crime drama, with Ralf Little

The team investigates the murder of a renowned calypso singer's husband. Neville believes it is poison since the paramedics found blue traces on the man's fingers, but there are several lines of inquiry to follow. Away from the case, Neville struggles with Sophie's betrayal and informs the Commissioner that he intends to leave Saint Marie in order to extract himself from various reminders. Ralf Little and Don Warrington star

The Caribbean-set crime drama returns, and there is a double celebration as the show marks its landmark 100th episode and Commissioner Selwyn Patterson celebrates 50 years of service. However, the party is cut short when the boss is shot by a mysterious assassin and left fighting for his life. As the team members search for the culprit, will the police veteran survive? Starring Ralf Little, Don Warrington and Shantol Jackson

Commissioner Selwyn Patterson struggles in the wake of his shock shooting, and the local community is rocked by a murder at a care home when a game of bingo gets horribly out of hand. But could someone really kill over something so trivial? As the case takes on a series of jaw-dropping twists and turns, Neville and the team realise that this case is so much more than it first appeared on the surface. Hayley Mills guest stars

A famous chef is poisoned at the grand opening of his latest hotel, during a cooking competition in which various hopefuls compete for the head chef position. The team are left confounded when they realise that the victim didn't consume anything that day that all the contestants hadn't also consumed themselves. Catherine finds herself entangled in the case when an old friend becomes a murder suspect

While investigating an island-wide blackout, Neville and the team discovers an electrocuted dead body. Their investigation leads them into a hidden world of data mining, crypto currency and stealing electricity. The only problem is that all three suspects were together at the time of the victim's electrocution. So if it was murder, how on earth did they do it?

The detective and Brackenreid set sail on the maiden voyage of passenger liner SS Keewatin, where they are soon tasked with investigating the disappearance of a ship magnate's daughter. Crime drama, starring Yannick Bisson and Thomas Craig