Highlights from the Ninth Episode of Season 2 of Elementary

Holmes and Watson uncover the identity of a serial killer whose case has gone cold and find themselves butting heads with the NYPD.

Watson

1. Watson

Watson (Lucy Liu) searches for a serial killer whose case has gone cold and finds herself butting heads with the NYPD. Photo: Jeff Neumann/ ©2013 CBS Broadcasting Inc. All Rights Reserved
Sherlock

2. Sherlock

Sherlock Holmes (Jonny Lee Miller) uncovers the identity of a serial killer whose case has gone cold. Photo Jeff Neumann /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Sherlock, Watson and Gregson

3. Sherlock, Watson and Gregson

Holmes (Jonny Lee Miller, middle), Watson (Lucy Liu, right) and Gregson (Aidan Quinn, middle) search for a serial killer whose case has gone cold. Photo Jeff Neumann /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Sherlock

4. Sherlock

Sherlock Holmes (Jonny Lee Miller) uncovers the identity of a serial killer whose case has gone cold. Photo Jeff Neumann /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Sherlock

5. Sherlock

Sherlock Holmes (Jonny Lee Miller) uncovers the identity of a serial killer whose case has gone cold. Photo Jeff Neumann /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Detective Bell

6. Detective Bell

Detective Marcus Bell (Jon Michael Hill) helps search for a serial killer whose case has gone cold. Photo Jeff Neumann /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Detective Bell

7. Detective Bell

Detective Marcus Bell (Jon Michael Hill) helps search for a serial killer whose case has gone cold. Photo Jeff Neumann /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Detective Bell

8. Detective Bell

Detective Marcus Bell (Jon Michael Hill) helps search for a serial killer whose case has gone cold. Photo Jeff Neumann /CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
Holmes and Watson

9. Holmes and Watson

Holmes (Jonny Lee Miller, right) and Watson (Lucy Liu, left) find themselves butting heads with the NYPD as they search for a serial killer whose case has gone cold. Photo: Jeff Neumann/ ©2013 CBS Broadcasting Inc. All Rights Reserved
Holmes and Watson

10. Holmes and Watson

Holmes (Jonny Lee Miller, left) and Watson (Lucy Liu, right) find themselves butting heads with the NYPD as they search for a serial killer whose case has gone cold. Photo: Jeff Neumann/ ©2013 CBS Broadcasting Inc. All Rights Reserved
Will they find the serial killer?

11. Will they find the serial killer?

Gregson (Aidan Quinn), Watson (Lucy Liu), Holmes (Jonny Lee Miller) and Bell (Jon Michael Hill) search for a serial killer whose case has gone cold. Photo: Jeff Neumann/ ©2013 CBS Broadcasting Inc. All Rights Reserved
Holmes and Watson

12. Holmes and Watson

Holmes (Jonny Lee Miller, right) and Watson (Lucy Liu, left) find themselves butting heads with the NYPD as they search for a serial killer whose case has gone cold. Photo: Jeff Neumann/ ©2013 CBS Broadcasting Inc. All Rights Reserved
Captain Gregson

13. Captain Gregson

Captain Tommy Gregson (Aidan Quinn) searches for a serial killer whose case has gone cold. Photo: Jeff Neumann/ ©2013 CBS Broadcasting Inc. All Rights Reserved
Chris Bauer Guest Stars

14. Chris Bauer Guest Stars

Gregson (Aidan Quinn) searches for a serial killer whose case has gone cold as Holmes and Watson butt heads with the NYPD. Also pictured: Guest Star Chris Bauer. Photo: Jeff Neumann/ ©2013 CBS Broadcasting Inc. All Rights Reserved
Sherlock

15. Sherlock

Sherlock Holmes (Jonny Lee Miller) searches for a serial killer whose case has gone cold as he butts heads with the NYPD. Photo: Jeff Neumann/ ©2013 CBS Broadcasting Inc. All Rights Reserved
Holmes and Watson

16. Holmes and Watson

Holmes (Jonny Lee Miller, left) and Watson (Lucy Liu, right) uncover the identity of a serial killer whose case has gone cold as they butt heads with the NYPD. Photo: Jeff Neumann/ ©2013 CBS Broadcasting Inc. All Rights Reserved
Gregson

17. Gregson

Gregson (Aidan Quinn, right) helps search for a serial killer whose case has gone cold as Holmes and Watson (Lucy Liu, left) butt heads with the NYPD, on ELEMENTARY, Thurs. Nov. 21 (10:01 – 11:00 PM, ET/PT) on the CBS Television Network. Photo: Jeff Neumann/ ©2013 CBS Broadcasting Inc. All Rights Reserved
Chris Bauer Guest Stars

18. Chris Bauer Guest Stars

Holmes (Jonny Lee Miller, left) butts heads with Detective Gerry Coventry (guest star Chris Bauer, right) as he searches for a serial killer whose case has gone cold. Photo: Jeff Neumann/ ©2013 CBS Broadcasting Inc. All Rights Reserved
Holmes and Watson

19. Holmes and Watson

Holmes (Jonny Lee Miller, right) and Watson (Lucy Liu, left) uncover the identity of a serial killer whose case has gone cold. Photo: Jeff Neumann/ ©2013 CBS Broadcasting Inc. All Rights Reserved
Holmes faces off against Detective Coventry

20. Holmes faces off against Detective Coventry

Holmes (Jonny Lee Miller, left) faces off against Detective Gerry Coventry (guest star Chris Bauer, right) as he and Gregson (Aidan Quinn, middle) search for a serial killer whose case has gone cold. Photo: Jeff Neumann/ ©2013 CBS Broadcasting Inc. All Rights Reserved