Murdoch Mysteries - Season 16 Episode 11 D.O.A. Forensic sleuthing in the age of invention.
Overview: When the eye witness in Frank Rhodes trial is poisoned and dies, Murdoch soon displays the same symptoms. It is up to Inspector Bracken, Dr. Ogden and the rest of the team to solve who did it and get the antidote before it's too late. Filmed in black and white to celebrate being the 250th episode.