TV Guide GREAT! movies Saturday

A police 911 operator is fired after mistaking a real murder for a prank call, and feeling guilty for allowing the crime to happen, she sets out to find the killer herself before he or she strikes again. Thriller, starring Fiona Gubelmann, Scott Bailey and John Lee Ames

An internet security expert's boyfriend is murdered, implicating her in a complex criminal plot involving online bank fraud. She must use her technical skills to stay one step ahead of the killers. Thriller, starring Majandra Delfino and Andrew W Walker

Mark applies his deductive powers to the case of a murdered fellow medic who was shot dead the day after his wife was blinded in a traffic accident. Medical drama, starring Dick Van Dyke

Retired criminologist Dr Jonathan Maxwell teams up with private detective Mike Bryant to investigate the theft of a champion racehorse. However, the case takes a more sinister turn when a member of the family that owns the animal dies in suspicious circumstances. Mystery, starring real-life father and son Dick and Barry Van Dyke, with Ray Abruzzo and Brad Beyer

A professor of criminology and his private detective friend team up to investigate the curious death of a spiritualist, who died while leading a meditation session in a New Age bookshop. The murder weapon is found beside the body, but no one present at the meeting can recall what happened because they were all in a trance. Whodunit, starring Dick and Barry Van Dyke, with Susan Blakely

A professor of criminology and his private detective friend team up to investigate the curious death of a spiritualist, who died while leading a meditation session in a New Age bookshop. The murder weapon is found beside the body, but no one present at the meeting can recall what happened because they were all in a trance. Whodunit, starring Dick and Barry Van Dyke, with Susan Blakely

The postal detectives meet a woman reeling from a sudden break-up, who asks them to retrieve a valuable letter she sent to her ex. Meanwhile, Oliver and Shane struggle to navigate their new romance, and Norman and Rita encounter a rough patch in their relationship. Drama, starring Eric Mabius, Kristin Booth and Crystal Lowe

The postal detectives meet a woman reeling from a sudden break-up, who asks them to retrieve a valuable letter she sent to her ex. Meanwhile, Oliver and Shane struggle to navigate their new romance, and Norman and Rita encounter a rough patch in their relationship. Drama, starring Eric Mabius, Kristin Booth and Crystal Lowe

Aurora investigates poisonings at Lizzy Allison and Bubba Rankart's wedding, with recent alterations to a victim's will focusing suspicion. Mystery, starring Candace Cameron Bure, Niall Matter and Marilu Henner

Aurora investigates poisonings at Lizzy Allison and Bubba Rankart's wedding, with recent alterations to a victim's will focusing suspicion. Mystery, starring Candace Cameron Bure, Niall Matter and Marilu Henner

At a true crime convention, the realism of the mystery dinner theatre proves somewhat excessive when one of the actors is killed. Mystery drama, starring Candace Cameron Bure, Lexa Doig and Marilu Henner

At a true crime convention, the realism of the mystery dinner theatre proves somewhat excessive when one of the actors is killed. Mystery drama, starring Candace Cameron Bure, Lexa Doig and Marilu Henner

Hailey Dean's investigator friend Finch's old marine buddy is murdered, but the MP investigating calls it a random mugging, leaving Hailey to help Finch investigate. Crime drama, starring Kellie Martin, Viv Leacock and Matthew MacCauli

A law school student and her friends set out to prove her brother is innocent of murder, but the only way to clear his name is by finding the real killer. Thriller, starring Katherine McNamara