1The Boys Are Back in Town
Murdoch investigates an explosion inside the morgue as a private citizen while he and his fellow officers fight to reopen the station house against Mayor Vaughan's orders.
2Diamonds in the Sand
Inspector Choi is taken hostage in a roadside inn while transporting a criminal back to Toronto. The Crabtrees must make a difficult decision about their future when George gets a job offer.
3Toronto's Smartest Man
A contestant is murdered during the "Toronto's Smartest Man" battle of the wits, leading Murdoch to join the contest to see if he can puzzle out who the killer might be.
4Unearthing the Past
Constable Roberts investigates the death of an old friend in his hometown, defying local police who rule it accidental. Murdoch's son Harry moves in, but it's a tight fit in his rooming house.
5The Borden Ultimatum
Murdoch pursues Terrence Meyers who is suspected of murdering two men and committing treason. Watts tracks down a man's neighbour who vanished while making a chocolate treat.
6He Ain't Heavy, He's My Brother
A Japanese scholar is kidnapped and Inspector Choi suspects his estranged brother is involved.
7Murder, She Wrote
A crime novelist pushes her way into Murdoch's investigation of an attorney murdered at his own retirement party.
8Fashion Crimes
Effie enlists Murdoch's help to defend a maid accused of killing the owner of a prominent fashion label, while Violet's neighbourhood safety program proves to be anything but safe.
9Sugar Plum Murdoch
Murdoch pursues a thief when a diamond tiara is stolen during a special Christmas event, while Margaret Brackenreid tries to convince Anna Pavlova to perform in a charity Nutcracker ballet.
10Devil in the Saddle
The suspicious death of a cowboy has Murdoch and Brackenreid investigating alongside Annie Oakley at the first "Stampede" in Calgary.
11Strangers on Paper
Murdoch investigates a murder connected to classified ads, while Effie helps Louise track down a man who scammed her. The Brackenreids try to hobnob with the Rathnelly gilded class.
12Tow Tags
Constable Higgins goes undercover in a tow truck company embroiled in a deadly turf war.
13Murdoch in Hogtown
Reporter Louise Cherry investigates a suspicious death of a man in a meat processing plant by going undercover as a sausage maker.
14Game, Set, Murdoch
A battle of the sexes tennis match is disrupted when the woman playing is injured, and Chief Constable Brackenreid discovers it was deliberate sabotage.
15The Fall of the House of Newsome
Rupert Newsome is accused of murdering his wife Lucinda, and despite his choice to represent himself in court, Effie tries her best to help.
16The Panic in High Park
A string of vicious animal attacks in High Park terrorize the residents of Toronto.
17The Hunting Lodge
Brackenreid and some fellow Inspectors unwind in a remote lodge, but their respite turns deadly when they find themselves hunted by a killer.
18Another Brick in the Wall
A skeleton is found bricked up inside a wall of an old house and Murdoch must track down the killer.
19The Face of Evil
Murdoch investigates the death of a man found in a burned-out truck and catches a glimpse of the impossible - a long-gone nemesis back from the dead.
20Fire in the Sky
A man appears after a bright flash of light in the middle of a field and claims to have been abducted by aliens.
21Hell of a Woman
The investigation into a brutal murder in a public toilet has Murdoch and Inspector Choi butting heads as he closes in on the killer.