Murdoch tries to capture a costumed criminal, who has begun to murder.
Murdoch and Crabtree pretend that a witness still lives in a ploy to catch a killer.
Murdoch suspects a connection exists between the murders of men found with lipstick on their faces and a dancer.
While Murdoch investigates a football player's death, Brackenreid gets caught up in the team's Olympic quest.
Murdoch and Ogden investigate the poisoning of a businessman; Rebecca is suspicious of a student's suicide.
Murdoch and Ogden face the possibility that they sent an innocent man to prison after the reopening of a murder case.
Murdoch turns to his latest invention when his friend may be implicated in a murder.
A massive fire complicates a double homicide investigation.
A debutante is murdered; Murdoch suspects rivals for a bachelor's affections.
When Santa is murdered at a philanthropist's Christmas party, Murdoch faces a vengeful Krampus.
The return of an adversary threatens the lives of Murdoch and Ogden.
Murdoch and Brackenreid investigate a shooting in Buffalo.
Murdoch and Brackenreid risk their careers to investigate police corruption.
Murdoch goes under cover to investigate the murder of a reporter who was investigating a workhouse.
Murdoch investigates a murder linked to a feral young woman.
The new chief constable pressures Murdoch to make an arrest when a man is murdered in a church.
Murdoch investigates the death of an elderly groom; Crabtree meets Lucy Maud Montgomery at a writing class.
During the investigation of the murder of a golfer, Murdoch becomes obsessed with the game.
Murdoch believes that an Arctic explorer is withholding information about a crew member's death.
Murdoch gets caught in a bank heist that jeopardizes his reputation.
Murdoch investigates the death of a student in an opium den.
Murdoch and his childhood friend investigate a 30-year-old murder in Algonquin Park.
An anti-temperance politician is poisoned.
Murdoch races to stop a secret space program that could ignite a war between Canada and the U.S.
When statues are formed from dead humans, Murdoch suspects a killer who knew the victims.
Murdoch and his team investigate the murder of a young suffragette.
Victorian Toronto police detective William Murdoch investigates the death of a back-street abortionist.
Murdoch's colleague is found dead, his body smelling of a whiskey-fueled suicide. Murdoch thinks there is foul play.
A young chambermaid's body is found in the streets. Inspector Brackenreid pressures the team to work faster after the chief constable takes notice of the case.