Holmes and Watson face their greatest challenge on the season finale of Elementary. "Whatever Remains, However Improbable" is the 21st episode of the show's sixth season.
Holmes' friend and Irregulars mathematics expert becomes the prime suspect in a murder on Elementary. "The Geek Interpreter" is the 19th episode of the show's sixth season.
A killer chooses his victims based on someone's visions of the future on Elementary. "The Visions of Norman P. Horowitz" is the 18th episode of the show's sixth season.
Holmes medical records are stolen in an incident of identity theft on Elementary. "The Worms Crawl In, the Worms Crawl Out" is the 17th episode of the show's sixth season.
Holmes: Why do you suppose you hate your job so much? Watson: I don't hate my job. Holmes: You have two alarm clocks. No one with two alarm clocks loves their job. Two alarm clocks mean it's a chore for you to get up in the morning.
Watson: How do you do it, guess things? Sherlock: I observe and then I deduce. Watson: How did you know I was a doctor, you said you could tell from my hands. Sherlock: Hand, singular. It was soft no calluses. Watson: How did you know my father had an affair? Sherlock: Google. Not everything is deducible.