Episode: 12x01 | Airdate: Sep 24, 2018 (60 min)
After being designed by architect Frank Lloyd Wright, Murdoch and Ogden's house is rocked by an explosion that claims a man's life. Guest starring Downton Abbey's Sophie McShera.
Episode: 12x02 | Airdate: Oct 1, 2018 (60 min)
Ogden enlists Murdoch to investigate possible sabotage in the operating room after a patient dies during a routine medical procedure.
Episode: 12x03 | Airdate: Oct 8, 2018 (60 min)
Murdoch, Ogden, Crabtree and Brackenreid attend Higgins' and Ruth Newsome's wedding, but a guest repeatedly tries to kill the groom.
Episode: 12x04 | Airdate: Oct 15, 2018 (60 min)
Anti-immigrant laws lead to the arrests of Greek men, and Brackenreid regrets releasing his carpenter when he's suspected of murder.
Episode: 12x05 | Airdate: Oct 22, 2018 (60 min)
When Murdoch impersonates a dead French diplomat to save a treaty, political and sexual intrigue complicate matters.
Episode: 12x06 | Airdate: Oct 29, 2018 (60 min)
Murdoch investigates an astronomical phenomenon with a strange impact on his colleagues' behaviour and dire implications for Toronto.
UFOs. A strange substance? Disorderly drunks!!! Higgins is in for one crazy night.
Episode: 12x07 | Airdate: Nov 5, 2018 (60 min)
When Watts kills a man in self-defense and Murdoch uncovers the victim's criminal past, questions surround Watts' story.
Episode: 12x08 | Airdate: Nov 12, 2018 (60 min)
When a wealthy, high society couple are found drowned in their pool in an apparent double suicide, Murdoch suspects murder.
Episode: 12x09 | Airdate: Nov 26, 2018 (60 min)
Brackenreid puts his life in danger when he goes on a solo mission to search for a missing woman.
Episode: 12x10 | Airdate: Jan 7, 2019 (60 min)
As Murdoch helps an Italian detective recover a shipload of stolen antiquities, Brackenreid considers shipping out.
Episode: 12x11 | Airdate: Jan 14, 2019 (60 min)
Crabtree and John are transporting a convicted axe murderer to prison when she escapes to exact revenge on those who testified against her.
Episode: 12x12 | Airdate: Jan 21, 2019 (60 min)
Murdoch's distressing childhood memories are evoked while investigating the death of an orphan under the care of the same Jesuit priest who taught him.
Episode: 12x13 | Airdate: Jan 28, 2019 (60 min)
When a man dabbling with invisibility is inexplicably killed, Murdoch turns to inventor Nikola Tesla for help conducting the investigation.
Episode: 12x14 | Airdate: Feb 4, 2019 (60 min)
Murdoch uncovers a surprising personal history as he launches an investigation into the death of man who died in a fire that was deliberately set.
Episode: 12x15 | Airdate: Feb 11, 2019 (60 min)
When a man is electrocuted during a typing contest with Crabtree and Louise Cherry, Murdoch suspects the reporter was the intended target.
Episode: 12x16 | Airdate: Feb 18, 2019 (60 min)
After the release of Murdoch and Ogden's book, a series of copycat murders begin to take place.
Episode: 12x17 | Airdate: Feb 25, 2019 (60 min)
As Murdoch seeks a promotion, a constable is shot in a botched raid on an opium den led by Watts.
Episode: 12x18 | Airdate: Mar 4, 2019 (60 min)
Murdoch suspects John is being framed for murder by Inspector McWorthy and Brackenreid goes after the corrupt copper.
