A vicious criminal, known for his deadly use of a stiletto may have escaped from jail to revenge himself on those public servants that helped convict him.

Buffalo Bill Cody pulls into town with his roadshow. Murder happens during the show and it's up to Murdoch and the team to solve it.

A mysterious on-line predator romances other telegraphers, bilks them out of money, and ultimately murders one of his dalliances.

Tragedy strikes close to home when Brackenreid's son Bobby suddenly disappears while playing with a friend on a sunny afternoon in bustling Allen Gardens.

A man is found murdered at a Lewis Carroll costume party. All clues point to the guest dressed as the Mad Hatter.

A talented young opera singer, who is being mentored by the show's diva as her understudy, is poisoned at a rehearsal with Brackenreid, a great admirer of the soprano,, in charge of the investigation.

Detective Murdoch suspects the ambitious inventor of an electric vehicle murdered an associate who stood in the way of his plans to compete with Henry Ford.

An obnoxious but brilliant inventor who is thoroughly disliked by his colleagues wins First Prize at an 'invention convention' but is shot in the forehead by an unknown killer as he accepts the award.

As New Year's Eve and a new century approach, a seemingly unbalanced man who claims to have visited the future in a time machine prevents an accident and murder that he knew were going to happen.

When a flying machine crashes, killing a man on the ground, Murdoch's investigation uncovers high-level conspiracy and sabotage in the race to achieve the first human-controlled flight.

When an anonymous madman threatens the citizens of Toronto with a deadly toxic gas, Murdoch must race against the clock to stop him.

With Murdoch away, Constable Crabtree finds himself investigating the apparent death by poisoning of a visiting Chinese official who was in Toronto seeking men who had participated in the Boxer Rebellion. Their immediate suspect is Wu Chang but as Crabtree gets to know the young man, he is increasingly convinced of his innocence. It turns out it's not Boxers they're after. Murdoch and Julia Ogden meanwhile are trying to find their nemesis, James Gillies. Things take a strange twist when the Cobourg police inform them they may have found Gillies' remains. Ballistics settles the issue but one question remains: who wrote the threatening letters. Murdoch settles that mystery as well.

Det. Murdoch investigates the murder of Richard Dawkins who was beaten to death at the dinner table by two masked men just as he was about to make an important announcement to his business associates. Since nothing was stolen Murdoch's new boss, Inspector Hamish Slorach, calls the killing an assassination. Dawkins was rumored to be selling his chandlery business. The harbor master says Dawkins was anything but a saint and the police should look to the seedier side for a solution to his death. Const. Jackson is badly beaten by two thugs which seems to confirm Murdoch's suspicion that the men who beat Inspector Brackenreid are the same ones who killed Dawkins. When they find a dead woman on the shore, Dr. Grace determines she was clubbed to death the night before the attack on Dawkins and was manacled before she died. Meanwhile, suffragettes recruit Julia to their movement and she is joined by Emily Grace. Receiving little support politically, they decide to hold a protest march. They are all soon in jail.

After testifying at Mary Thompson's trial for murdering her husband Percival that the woman is criminally insane and should be committed to an asylum, Julia Ogden receives an anonymous postcard saying she has condemned an innocent woman. Julia and Detective Murdoch re-examine the case and find an anomaly in the time-line but the Crown Attorney isn't interested as he's convinced the woman is guilty. Further investigation reveals that Percival Thompson's business partner, Alexander Wainwright, automatically assumed 100% of their business upon Thompson's death - an agreement they signed just one week before the murder. Wainwright promptly vanishes. With the assistance of the indefatigable Mrs. Brackenreid, who has clearly taken charge, Julia is in the final preparations for her wedding. She and William make it to the altar on the big day but midway through the ceremony they realize they overlooked something very important in the Thompson case.

Julia and her colleagues are going to vote for a female candidate as a gesture for women's suffrage; meanwhile, Murdoch investigates the death of a man who may be one of Terrence Meyer's minions.

While investigating the murder of a rich benefactor and the theft of children's presents at a Christmas charity pageant, Murdoch discovers suggestions that a Christmas monster, a Krampus, may be involved.

As a visit to Toronto for a speaking engagement by Mark Twain leads to controversy, Murdoch and the team from Station House 4 are tasked with protecting him.

As the local temperance movement's crusade for local prohibition gains momentum, an opposing politician is found dead after an incident at a drinking establishment.

Murdoch investigates the death of an elderly groom; Crabtree meets Lucy Maud Montgomery at a writing class.

After a man is shot during a burlesque performance at the Star Room theatre, Murdoch, Odgen and Brackenreid are surprised to discover a familiar face in the audience.

Murdoch and Brackenreid investigate a series of brazen robberies targeting Toronto's businessmen just days before Christmas

Murdoch strives to apprehend a lecherous costumed criminal known as....The Lurker! Then The Lurker's amorous encounters have escalated to murder!

Murdoch devises a mysterious tonic that he claims is the fountain of youth, and has worked on the Inspector, but his pursuit of a commercial partnership alarms Crabtree.

The discovery of a young girl's body and some grotesque sketches leads Murdoch to suspect a group of teenagers obsessed with death and the macabre, which includes a young H.P. Lovecraft.

Detective Murdoch and Dr. Ogden travel to Vancouver Island to visit Murdoch's brother, RCMP officer Jasper Linney. There, they investigate a murder connected to an archaeologist who has uncovered an ancient Indigenous settlement, leading to encounters with the Songhees and Haida nations. Meanwhile, the Brackenreids are offered an investment opportunity that may not be all it seems, and Crabtree and Higgins plan a ski holiday with their sweethearts Nina Bloom and Ruth Newsome that may be more dangerous than expected.

Murdoch investigates a surgeon whose cutting-edge organ transplants wreak medical havoc and run afoul of Mary Baker Eddy and The Christian Science movement.

Crabtree and Constable Brackenreid go undercover at a boys school to solve a disappearance.

To investigate an artist's murder, Inspector Brackenreid picks up his paintbrush again and attracts a wealthy patron's very personal attention.

Murdoch investigates a death which may have been caused by a high speed travel device.

After the judge of a cooking contest is poisoned, Murdoch realizes other competitors also tasted the tainted ingredient - including Crabtree and Margaret Brackenreid.

When a French diplomat to a secret international meeting to create the Triple Entente is found dead, Murdoch is drafted to temporarily impersonate him.

Murdoch investigates an astronomical phenomenon with a strange impact on his colleagues' behavior and dire implications for Toronto.

Inspector Brackenreid travels to St. Marys to help an old flame whose daughter is missing, and he happens to learn then that he is her father.

As Murdoch seeks a promotion, a constable is shot in a botched raid on an opium den led by Watts.

Murdoch suspects John is being framed for murder by Inspector McWorthy and Brackenreid goes after the corrupt copper.

Murdoch investigates an explosion at a suffrage rally attended by Dr. Talbot (Claire Goose) and Julia, after a man dies.

An adventure in the woods turns scary when Murdoch, Ogden, Higgins and Ruth are stalked by a beast that killed two men.

An actor is killed during a play featuring John Brackenreid and attended by Murdoch, Ogden, Crabtree, and John's parents.

A body is found during a fox hunt - Murdoch and Brackenreid suspect a group opposed to fox hunting maybe responsible.

Det. Murdoch and Dr. Ogden investigate a series of suspicious deaths in Kingston Penitentiary, while Inspector Brackenreid deals with a telephone operator strike with his daughter involved.

Murdoch suspects a colleague has ties to a murder; Ogden flirts with danger; Crabtree meets an intense fan.

After a shocking and unexpected death, Detective William Murdoch is certain someone close to Station House No. 4 is involved in the matter. Using his great perceptiveness and observation skills, he is sure to solve the mystery.

A visiting vaudeville show has a grotesque murder and a young comedian, Charles Chaplin, may have been the intended target by the killer who is intent to finish the job.

Inspector Brackenreid learns that his youngest son, Bobby, is wanted for murder, while the Murdochs and Crabtree suspect old enemies are returning to harm them.

The brutal murder of a woman from Murdoch's past complicates his life.

Reeling from a personal revelation, Murdoch seeks to avenge the murder of Anna Fulford.

The Black Hand are in pursuit of Anna Fulford and Murdoch's son. An Asian family is in turmoil after their daughter was murdered at the hands of her Caucasian husband. George Crabtree has been kidnapped by two deranged twin sisters.

To solve an inmate's murder, Murdoch sends Ogden undercover at a woman's reformatory.

Murdoch and company's Christmas at an idyllic country estate turns deadly.

Murdoch investigates the suspicious death of a stage manager after a going away party for Mary Pickford.

Murdoch arrests a man for trying to kill a woman who he claims is a witch, shortly after he dies mysteriously while in custody

Murdoch investigates when a Japanese spy is found dead in a Korean family's cellar

A vagrant camp is opposite a house where a murder took place, hence the family suspect one of those homeless people committed the murder. Murdoch investigates the robbery and murder and other facts come to light.

Murdoch has to investigate after a murder is transmitted over James Pendrick's new invention.

When Crabtree's mentally-deranged kidnapper, Amelia, turns herself in, he braces for trouble.

When a man resembling Murdoch is shot, he must find the killer before the killer finds him.

With his family in hiding, Murdoch tries to discover who is behind attempts on their lives.

Crabtree bails on his marriage plans after a prophecy; Murdoch investigates the bizarre murder of two gravediggers.

While investigating a murder in a tight-lipped Mennonite colony, Murdoch and Ogden don plain clothing and go undercover.

Hours before a clandestine visit by President Taft, Murdoch is entangled by Terence Meyers in an experiment gone wrong.

Murdoch must prove Brackenreid's innocence, when he's framed for murder by a vengeful foe.

Murdoch is asked by a former logging camp friend to exonerate him in a decades old murder.

When the director of Toronto's new symphony is murdered, Murdoch suspects jealous musicians are responsible.

When a bride mysteriously collapses and dies before her wedding, Murdoch suspects she was poisoned by her perfume.

Murdoch's investigation of a constable's murder is hampered by interference from Brackenreid's over-zealous replacement.

Irritated by the new inspector's tactics, Murdoch resigns and is privately enlisted to find a missing heiress.

When Crabtree's mentally-deranged kidnapper, Amelia, turns herself in, he braces for trouble.

A vagrant camp is opposite a house where a murder took place, hence the family suspect one of those homeless people committed the murder. Murdoch investigates the robbery and murder and other facts come to light.

Det. Murdoch and Dr. Ogden investigate a series of suspicious deaths in Kingston Penitentiary, while Inspector Brackenreid deals with a telephone operator strike with his daughter involved.

The brutal murder of a woman from Murdoch's past complicates his life.

Murdoch arrests a man for trying to kill a woman who he claims is a witch, shortly after he dies mysteriously while in custody

An adventure in the woods turns scary when Murdoch, Ogden, Higgins and Ruth are stalked by a beast that killed two men.

A talented young opera singer, who is being mentored by the show's diva as her understudy, is poisoned at a rehearsal with Brackenreid, a great admirer of the soprano,, in charge of the investigation.

Murdoch investigates when a Japanese spy is found dead in a Korean family's cellar

After testifying at Mary Thompson's trial for murdering her husband Percival that the woman is criminally insane and should be committed to an asylum, Julia Ogden receives an anonymous postcard saying she has condemned an innocent woman. Julia and Detective Murdoch re-examine the case and find an anomaly in the time-line but the Crown Attorney isn't interested as he's convinced the woman is guilty. Further investigation reveals that Percival Thompson's business partner, Alexander Wainwright, automatically assumed 100% of their business upon Thompson's death - an agreement they signed just one week before the murder. Wainwright promptly vanishes. With the assistance of the indefatigable Mrs. Brackenreid, who has clearly taken charge, Julia is in the final preparations for her wedding. She and William make it to the altar on the big day but midway through the ceremony they realize they overlooked something very important in the Thompson case.

Murdoch is asked by a former logging camp friend to exonerate him in a decades old murder.