S12 E1: Murdoch Mystery Mansion

S12 E2: Operation: Murder

S12 E3: My Big Fat Mimico Wedding

S12 E4: Murdoch Without Borders

S12 E5: The Spy Who Loved Murdoch

S12 E6: Sir. Sir? Sir!!!

S12 E7: Brother's Keeper

S12 E8: Drowning in Money

S12 E9: Secrets and Lies

S12 E10: Pirates of the Great Lakes

S12 E11: Annabella Cinderella

S12 E12: Six of the Best

S12 E13: Murdoch and the Undetectable Man

S12 E14: Sins of the Father

S12 E15: One Minute to Murder

S12 E16: Manual for Murder

S12 E17: Darkness Before the Dawn (1)

S12 E18: Darkness Before the Dawn (2)