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.
Episode 1
While Crabtree serves time for the murder of his sweetheart's husband, Murdoch investigates an inmate stabbing that may be connected to the case.
Episode 2
Murdoch and his colleagues must protect the safety of author Mark Twain after he stirs up controversy during a speaking engagement in Toronto.
Episode 3
It is the eve of Dr Grace's departure for England, when a young suffragette is murdered. Murdoch is called to investigate.
Episode 4
When statues made from the bodies of naked women are discovered, Murdoch suspects a serial killer who knew the victims.
Episode 5
Murdoch's investigation into a secret space program that could incite war between the U.S. and Canada leads him to an old friend. Get ready for one of the most extraordinary episodes of Murdoch Mysteries ever.
Episode 6
Murdoch investigates the poisoning of an anti-prohibition politician while Margaret Brackenreid hosts a visit from radical temperance advocate Carrie Nation.
Episode 7
When a childhood friend from wilderness camp alerts Murdoch to imminent danger, they travel to Algonquin Park to investigate a 30-year-old murder.
Episode 8
After a student dies mysteriously in a professor's opium den, Crabtree helps Ogden and Rebecca James investigate in the morgue.
Episode 9
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.
Episode 10
Murdoch and Ogden investigate the suspicious death of an Arctic expedition crewmember, while their workplaces become increasingly complicated in light of recent events.
Episode 11
While investigating a golfer's murder, Murdoch becomes obsessed with the game.
Episode 12
The electrocution of an elderly groom leads Murdoch to suspect a black widow, while Crabtree meets Lucy Maud Montgomery at a writing class.
Episode 13
Murdoch is pressured by the new Chief Constable to make an expedient arrest in the murder of a white man at a black church.
Episode 14
Murdoch and the team investigate a grisly murder linked to a feral young woman.
Episode 15
Murdoch goes under cover to investigate the murder of a reporter who was investigating a workhouse.
Episode 16
Murdoch and Brackenreid unwittingly put their careers at risk when they investigate high-level police corruption.
Episode 17
The shooting of a man in a burlesque club sends Murdoch and Brackenreid to Buffalo, New York to investigate. Meanwhile, Crabtree becomes close to one of the dancers.
Episode 18
The return of an adversary threatens the lives of Murdoch and Ogden.