Season 05, Episode 05 – “To Catch a Predator Predator”
Holmes and Watson investigate the murder of a man who led a secret life as a vigilante. The victim outed sexual predators on dating sites and publicly shamed them. Meanwhile, Sherlock disagrees with Joan’s plan to help Shinwell when his criminal record prevents him from getting a full-time job.
Season 05, Episode 06 – “Ill Tidings”
Holmes and Watson investigate a mass murder when a chef and his patrons are poisoned after dining on a tasting menu tainted with snake venom. Meanwhile, Bell’s crush on a work colleague makes Sherlock realize his relationship with Fiona is at an important crossroads.
Season 05, Episode 07 – “Bang Bang Shoot Chute”
Holmes and Watson search for two murderers after a base jumper is shot out of the sky by one killer and has his parachute sabotaged by another. Meanwhile, Joan takes drastic measures to ensure that Shinwell isn’t drawn back into a life of crime after her sister sees him with a member of his old gang.
Season 05, Episode 08 – “How the Sausage Is Made”
Joan worries Sherlock’s sobriety is at risk when she learns he has been lying to her about attending recovery meetings. Meanwhile, the sleuths discover a man’s death that was caused by ingesting poisoned sausage is connected to a lab working on a breakthrough in the artificial meat industry.
Season 05, Episode 09 – “It Serves You Right to Suffer”
Shinwell is framed for a gang killing, and Holmes and Watson have just three days to find the real murderer before he is arrested and sent back to jail.
Season 05, Episode 10 – “Pick Your Poison”
Watson is implicated in a DEA investigation into doctors writing illegal prescriptions. She and Holmes then search for the person who is using her medical license to sell drugs.