Murdoch investigates a car accident and uncovers sinister motives.

After a ruthless inventor is killed at a convention, Murdoch's investigation is assisted by his idol, Alexander Graham Bell.

Murdoch and Watts discover fraud after a wine connoisseur is poisoned.

A spate of murders staged as suicides leads Murdoch to suspect a sequential killer targeting the elderly.

Murdoch discovers his passion for canines while investigating the death of a championship show dog.

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

A jailed Murdoch must prove his innocence amid police and government corruption after the constables are ambushed, Ogden is kidnapped, and Brackenreid goes missing.

By all appearances, Martians are responsible for the hanging death of Rouge Valley landowner Henri Gaston, a Martian-obsessed loner with a shop full of telescopes, charts and journals.

Murdoch and Brackenreid unwittingly put their careers at risk when they investigate high-level police corruption.

Murdoch makes a surprising discovery at a dolls house fair; in one of the houses the artist has placed a hand firing a gun. This is no ordinary model - it’s a crime scene. Murdoch finds the creator of the streetscape, an autistic 19-year-old, Lydia, who communicates best through model building. No one has reported a murder yet, but using the model’s intricate clues left by Lydia, Murdoch discovers that someone indeed has been killed – but what happened and why? Someone is far from happy by his investigations and things begin to get even more sinister in the neighbourhood.

With his colleague sentenced to hang for murder, Detective Murdoch races to exonerate them and steps into a trap set by the real killer.

While investigating a murder in a movie house, Murdoch is pulled into the drama of James Pendrick's filmmaking venture.

Crabtree insists that a string of robberies is caused by a species of mole people.

A recording device made by Alexander Graham Bell assists in the investigation of a murder at a dinner honoring Helen Keller.

Murdoch finds himself drawn to the widowed mother of a boy who has gone missing, but the case starts to take a strange turn involving spies, midgets and a robotic super weapon.

Two bank safe deposit boxes that were being transferred are taken by thieves and the crime is investigated by Detective Murdoch. The getaway driver for the thieves is killed.  While on scene someone claiming to be Sherlock Holmes shows up and provides some helpful information.  Dr. Ogden figures out that he is actually David Kingsley who at one time was treated for mental illness.  "Sherlock Holmes" appears to have the qualities of the fictional character of the same name such as the ability to "read" an individual or a crime scene.

Murdoch enlists some revealing detective work while investigating a murder at a nudist community.

While applying for a loan to build his dream home for Ogden, Murdoch finds himself in the midst of a bank heist that puts his reputation at risk.

As the sisters of the Immaculate Conception prepare to put the coffin of elderly Sister Ignatius into her final resting place in the convent’s cemetery, a young novitiate peers into the dug grave and sees something poking out of the dirt – a human hand. Murdoch is called to the scene and his constables lift the bloodied body of the convent’s gardener out of the grave. But a dead body is not the only surprise the convent holds.

Detective Murdoch and his methods are compromised when one of his colleagues is implicated in a suspicious murder.

Murdoch's admirers interfere with a murder investigation; Ogden thinks about running for office.

Crabtree investigates the death of a wrestler and uncovers deception and fraud.

When a childhood friend from wilderness camp alerts Murdoch to imminent danger, they travel to Algonquin Park to investigate a 30-year-old murder.

Murdoch is pressured by the new Chief Constable to make an expedient arrest in the murder of a white man at a black church.

A massive fire consumes Toronto, complicating Murdoch's investigation into the murders of two young women.