Season 1 Episode 5

Sherlock tries to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes.
Sherlock at Home

1. Sherlock at Home

Sherlock (Jonny Lee Miller) tries to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes. Photo: Jojo Whilden ©2012 CBS Broadcasting Inc. All Rights Reserved.
Sherlock Tries to Determine Who Has Been Killing Hospital Patients

2. Sherlock Tries to Determine Who Has Been Killing Hospital Patients

Sherlock (Jonny Lee Miller) tries to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes. Photo: Jojo Whilden ©2012 CBS Broadcasting Inc. All Rights Reserved.
Sherlock Investigates

3. Sherlock Investigates

Sherlock (Jonny Lee Miller) tries to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes. Photo: Jojo Whilden ©2012 CBS Broadcasting Inc. All Rights Reserved.
Sherlock

4. Sherlock

Sherlock (Jonny Lee Miller) tries to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes. Photo: Jojo Whilden ©2012 CBS Broadcasting Inc. All Rights Reserved.
Sherlock

5. Sherlock

Sherlock (Jonny Lee Miller) tries to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes. Photo: Jojo Whilden ©2012 CBS Broadcasting Inc. All Rights Reserved.
Sherlock and Watson Try to Find a Killer

6. Sherlock and Watson Try to Find a Killer

Sherlock (Jonny Lee Miller) and Joan (Lucy Liu) try to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes. Photo: Jojo Whilden ©2012 CBS Broadcasting Inc. All Rights Reserved.
Watson Investigates

7. Watson Investigates

While consulting on a case involving a murder at a hospital, Sherlock learns more about Joan’s (Lucy Liu) decision to walk away from her surgical career. Photo: Jojo Whilden ©2012 CBS Broadcasting Inc. All Rights Reserved.
Joan

8. Joan

While consulting on a case involving a murder at a hospital, Sherlock learns more about Joan’s (Lucy Liu) decision to walk away from her surgical career. Photo: Jojo Whilden ©2012 CBS Broadcasting Inc. All Rights Reserved.
Sherlock Consults on a Case

9. Sherlock Consults on a Case

Sherlock (Jonny Lee Miller) tries to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes. Photo Credit: GIOVANNI RUFINO/CBS © 2012 CBS. All Rights Reserved.
Joan and Sherlock

10. Joan and Sherlock

Sherlock (Jonny Lee Miller) and Joan (Lucy Liu) try to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes. Photo Credit: GIOVANNI RUFINO/CBS © 2012 CBS. All Rights Reserved.
Sherlock Visits the Hospital

11. Sherlock Visits the Hospital

Sherlock (Jonny Lee Miller) tries to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes. Photo Credit: GIOVANNI RUFINO/CBS © 2012 CBS. All Rights Reserved.
Sherlock at the Hospital

12. Sherlock at the Hospital

Sherlock (Jonny Lee Miller) tries to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes. Photo Credit: GIOVANNI RUFINO/CBS© 2012 CBS. All Rights Reserved.
Joan Speaks with her Former Colleague, Dr. Carrie Dwyer

13. Joan Speaks with her Former Colleague, Dr. Carrie Dwyer

Anika Noni Rose (right) guest stars as Dr. Carrie Dwyer, Joan’s (Lucy Liu, left) former colleague. Photo Credit: GIOVANNI RUFINO/CBS © 2012 CBS. All Rights Reserved.
Sherlock at the Hospital

14. Sherlock at the Hospital

Sherlock (Jonny Lee Miller) tries to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes. Photo Credit: GIOVANNI RUFINO/CBS © 2012 CBS. All Rights Reserved.
Joan and Sherlock at the Hospital

15. Joan and Sherlock at the Hospital

Sherlock (Jonny Lee Miller) and Joan (Lucy Liu) try to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes. Photo Credit: GIOVANNI RUFINO/CBS © 2012 CBS. All Rights Reserved.
Sherlock and Joan at the Hospital

16. Sherlock and Joan at the Hospital

Sherlock (Jonny Lee Miller) and Joan (Lucy Liu) try to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes. Photo Credit: GIOVANNI RUFINO/CBS © 2012 CBS. All Rights Reserved.
Sherlock and Joan Investigate

17. Sherlock and Joan Investigate

Sherlock (Jonny Lee Miller) and Joan (Lucy Liu) try to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes. Photo Credit: GIOVANNI RUFINO/CBS © 2012 CBS. All Rights Reserved.
Sherlock's Latest Case Takes Him to the Hospital

18. Sherlock's Latest Case Takes Him to the Hospital

Sherlock (Jonny Lee Miller) tries to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes. Photo Credit: GIOVANNI RUFINO/CBS © 2012 CBS. All Rights Reserved.
Sherlock Consults on a Case

19. Sherlock Consults on a Case

Sherlock (Jonny Lee Miller) tries to determine who has been killing weak and terminal patients at a hospital, making it look like they died of natural causes. Photo Credit: GIOVANNI RUFINO/CBS © 2012 CBS. All Rights Reserved.