Highlights from the Third Episode of Season 1 of Elementary

Sherlock helps Captain Gregson (Aidan Quinn) try to locate a serial killer who targets children and leaves a signature batch of balloons at each of crime scene. Photo Caption: GIOVANNI RUFINO/CBS © 2012 CBS. All Rights Reserved.

Sherlock(Jonny Lee Miller) and Watson (Lucy Liu) consults 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. Also pictured is Captain Gregson (Aidan Quinn, center). Photo Credit: GIOVANNI RUFINO/CBS © 2012 CBS. All Rights Reserved.

Sherlock and Watson (Lucy Liu) consults 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. Photo Credit: GIOVANNI RUFINO/CBS © 2012 CBS. All Rights Reserved.

Sherlock (Jonny Lee Miller) consults 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, on ELEMENTARY, Thursday, October 18 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo Credit: GIOVANNI RUFINO/CBS © 2012 CBS. All Rights Reserved.

Sherlock (Jonny Lee Miller) consults 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. Photo Credit: GIOVANNI RUFINO/CBS © 2012 CBS. All Rights Reserved.

Sherlock (Jonny Lee Miller) consults 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. Photo Credit: GIOVANNI RUFINO/CBS © 2012 CBS. All Rights Reserved.

Sherlock (Jonny Lee Miller, left) consults 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. Also pictured is Detective Marcus Bell (Jon Michael Hill, right). Photo: David M. Russell/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.

Sherlock and Watson (Lucy Liu) consults 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. Photo: David M. Russell/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.

Sherlock (Jonny Lee Miller) consults 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. Photo: David M. Russell/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.

Sherlock (Jonny Lee Miller, right) consults 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. Also pictured is Captain Gregson (Aidan Quinn, left). Photo: David M. Russell/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.