"Greener Grass" is the sixth episode of the third season of Blue Bloods. In this episode, when Erin's key witness, an infamous photographer, is nearly killed in a hit and run, she arranges for Danny to safeguard him.


When Erin's key witness is almost killed in a hit and run, she asks for Danny to be assigned as his protection. This proves vital as another attempt is made on his life soon after, so Danny must work to keep him safe and find the person behind the attacks. Simultaneously he has to face with Linda's car trouble straining their already rough financial situation. Meanwhile, Jamie and Vinny end up making a drug bust while following a fake tip and get for clearance to find the woman who gave them the information to get the truth. Elsewhere, Frank and Henry clash when Henry ends up in yet another fender bender. Frank tries to convince him to give up his car which Henry vehemently opposes.



In credits order


Also Starring

Guest Starring


  • Parisa Fitz-Henley as Lizzy Hughes
  • Nicole Powell as Patrol Supervisor
  • John Rankin as Meech
  • Ezra Barnes as Dr. Ingram
  • Mike Massimino as Doorman


Facts and Trivia

  • The DVD contains a deleted scene for this episode.


"You know how much I hate it when you quote me back to me?" - Frank to Erin