Aired: 9/25/2017
A jailed Murdoch must prove his innocence amid police and government corruption after the constables are ambushed, Ogden is kidnapped, and Brackenreid goes missing.
Aired: 10/2/2017
Murdoch and Watts discover fraud after a wine connoisseur is poisoned.
Aired: 10/9/2017
A recording device made by Alexander Graham Bell assists in the investigation of a murder at a dinner honoring Helen Keller.
Aired: 10/16/2017
Murdoch investigates a surgeon performing cutting-edge organ transplants.
Aired: 10/23/2017
A spate of murders staged as suicides leads Murdoch to suspect a sequential killer targeting the elderly.
Aired: 11/6/2017
In an attempt to solve a murder, Crabtree and Constable Brackenreid go undercover at a boys school.
Aired: 11/13/2017
Murdoch investigates a car accident and uncovers sinister motives.
Aired: 12/4/2017
Brackenreid begins painting again and gets the attention of a wealthy patron while investigating an artist's murder.
Aired: 12/11/2017
After obituaries are published in advance of two men's deaths, Murdoch discovers more intended victims with a member of Station House Number Four among them. He must keep them alive before their predicted demise.
Aired: 1/8/2018
Murdoch investigates a death which may have been caused by a high-speed travel device.
Aired: 1/15/2018
Murdoch and Brackenreid find some unsportsmanlike behaviour while investigating the violent death of a cricket player on the pitch.
Aired: 1/22/2018
Murdoch investigates when a statue of the Virgin Mary gifted to his church begins miraculously weeping.
Aired: 1/29/2018
When the judge of a cooking contest is poisoned, Murdoch realizes that other competitors also tasted the tainted ingredient, including Crabtree and Margaret Brackenreid.
Aired: 2/5/2018
When Theodore Roosevelt sneaks into Canada for a hunting trip, Murdoch discovers the American President is the quarry.
Aired: 2/26/2018
As Murdoch investigates a murder with connections to vaudeville entertainers Harry and Al Jolson, Watts unravels a mystery about his own family.
Aired: 3/5/2018
Crabtree goes undercover at a chess tournament to investigate the murder of a Russian master.
Aired: 3/12/2018
Murdoch and Ogden put aside a personal matter when Nate Desmond is charged with murder.
Aired: 3/19/2018
Season Finale - An argument leads Murdoch to help a man looking for his missing wife, Crabtree contemplates his future with Nina and the Station House team works on a grisly murder.