2. While You Were Sleeping Sherlock uses his powers of deduction to consult on the murder of a young man who is shot upon entering his apartment. Jon Michael Hill joins the cast.

3. Child Predator Sherlock and Watson consult on a child abduction case involving a serial killer who is nicknamed "The Balloon Man," because he leaves a signature batch of balloons at each of his crime scenes.

4. Rat Race Even though he despises bankers, Holmes agrees to consult on a case involving the death of a Wall Street executive who appears to have overdosed on heroin. Craig Bierko guest stars.

5. Lesser Evils Sherlock tries to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes. Anika Noni Rose guest stars.

6. Flight Risk Sherlock tries to prove that one of the people whose body was found in the wreckage of a small plane crash was actually killed before the plane went down.

7. One Way To Get Off Sherlock assists with a double homicide that has the same M.O. as a series of murders that took place 13 years ago. Callie Thorne guest stars,

8. The Long Fuse While investigating an explosion that kills two people, Sherlock discovers a crime that's been lying dormant for years. Lisa Edelstein and Ato Essandoh guest star.

9. You Do It To Yourself Sherlock uses his trademark deductive reasoning skills to find the killer of a college professor.

10. The Leviathan Sherlock is called in to investigate when a supposedly uncrackable bank vault called "The Leviathan" is breached. Freda Foh Shen guest stars.

11. Dirty Laundry Sherlock and Joan investigate the murder of the general manager of a high-end Manhattan hotel whose body is found inside an industrial laundry machine.

12. M. Sherlock is reunited with "M." a British criminal who appears to have followed Sherlock to New York. Vinnie Jones Guest Stars.

13. The Red Team While on suspension from the NYPD, Sherlock investigates a suspicious hit-and-run accident involving a conspiracy theorist.

14. The Deductionist Sherlock pursues Martin Ennis, an unpredictable criminal, before he strikes again. Terry Kinney and Kari Matchett guest star.

15. A Giant Gun, Filled with Drugs Sherlock tries to find out who kidnapped the adult daughter of his ex-drug dealer, Rhys. John Hannah guest stars.

16. Details Sherlock investigates what he believes will be an open-and-shut case after Detective Bell is attacked.

17. Possibility Two Sherlock investigates a case involving a wealthy philanthropist who believes his incurable illness was given to him on purpose.

18. Deja Vu All Over Again Joan takes her first solo case: the disappearance of a woman who left her husband a tearful break-up video that mentioned a murder on a subway platform.

19. Snow Angels Sherlock and Joan try to prevent a robbery from one of the largest cash vaults in the country during the middle of a Nor'easter.

20. Dead Man's Switch Sherlock and Joan hunt for the accomplice of a murdered blackmailer who targeted families of rape victims.

21. A Landmark Story Sherlock resumes his hunt for Moriarty when Sebastian Moran reveals that a man who was thought to be dead from a heart attack was actually on the list of intended victims from Moriarty. Vinnie Jones and Murray Abraham guest star.

22. Risk Management Sherlock agrees to take a case from a man claiming to be Moriarty, hoping it will bring him closer to finding his nemesis. Natalie Dormer guest stars.

23. The Woman / Heroine As Sherlock reels at the reappearance of his former lover, Irene Adler, a series of flashbacks unravel the tumultuous events that led to his downfall into addiction.