Highlights from the Tenth Episode of Season 3 of Blue Bloods

Danny's son Sean gets into a bicycle accident that sends him to the hospital with a brain injury.

Danny

1. Danny

When two motorists driving gas guzzling cars die at the hands of a sniper, Danny (Donnie Wahlberg) and Kate are put on the case of what the city believes is the work of an environmentally friendly serial killer. Photo Credit: Giovanni Rufino/CBS © 2012 CBS. All Rights Reserved.
Danny Investigates the Scene

2. Danny Investigates the Scene

When two motorists driving gas guzzling cars die at the hands of a sniper, Danny (Donnie Wahlberg) and Kate are put on the case of what the city believes is the work of an environmentally friendly serial killer. Photo Credit: Giovanni Rufino/CBS © 2012 CBS. All Rights Reserved.
Erin Rides her Bike with the Kids

3. Erin Rides her Bike with the Kids

Erin (Bridget Moynahan) rides her bike with the kids before Sean gets into a bad bicycle accident. Photo Credit: Giovanni Rufino/CBS © 2012 CBS. All Rights Reserved.
Erin Yells for Help

4. Erin Yells for Help

Erin (Bridget Moynahan) yells for help after Sean is thrown off of his bicycle. Photo Credit: Giovanni Rufino/CBS © 2012 CBS. All Rights Reserved.
Nicky Calls for Help

5. Nicky Calls for Help

Erin (Bridget Moynahan) yells for Nicky (Sami Gayle) to call 911 after Sean (Andrew Terraciano) gets into a bicycle accident. Photo Credit: Giovanni Rufino/CBS © 2012 CBS. All Rights Reserved.
Erin Yells for Nicky to Call 911

6. Erin Yells for Nicky to Call 911

Erin (Bridget Moynahan) yells for Nicky (Sami Gayle) to call 911 after Sean (Andrew Terraciano) gets into a bicycle accident. Photo Credit: Giovanni Rufino/CBS © 2012 CBS. All Rights Reserved.
Erin Assists Sean

7. Erin Assists Sean

Erin (Bridget Moynahan) yells for Nicky (Sami Gayle) to call 911 after Sean (Andrew Terraciano) gets into a bicycle accident. Photo Credit: Giovanni Rufino/CBS © 2012 CBS. All Rights Reserved.
Help Arrives

8. Help Arrives

Erin (Bridget Moynahan) calls for help after Sean (Andrew Terraciano) gets into a bicycle accident. Photo Credit: Giovanni Rufino/CBS © 2012 CBS. All Rights Reserved.
Sean Gets Rushed to the Hospital

9. Sean Gets Rushed to the Hospital

Erin (Bridget Moynahan), Nicky (Sami Gayle) and Jack (Tony Terraciano) watch as Sean (Andrew Terraciano) is taken to the hospital after a bad bicycle accident. Photo Credit: Giovanni Rufino/CBS © 2012 CBS. All Rights Reserved.
Danny Visits the Hospital

10. Danny Visits the Hospital

Frank gives Danny (Donnie Wahlberg) a shoulder to lean on when his son, Sean, is in a bicycle accident that sends him to the hospital with a brain injury. Photo Credit: Best Possible Screen Grab/CBS © 2012 CBS. All Rights Reserved.
Danny

11. Danny

Frank gives Danny (Donnie Wahlberg) a shoulder to lean on when his son, Sean, is in a bicycle accident that sends him to the hospital with a brain injury. Photo Credit: Best Possible Screen Grab/CBS © 2012 CBS. All Rights Reserved.
Frank Watches Over Sean

12. Frank Watches Over Sean

Frank (Tom Selleck) watches over his grandson, Sean (Andrew Terraciano), when a bicycle accident sends him to the hospital with a brain injury. Photo Credit: Best Possible Screen Grab/CBS © 2012 CBS. All Rights Reserved.
Frank and Danny Visit Sean

13. Frank and Danny Visit Sean

Frank (Tom Selleck) gives Danny (Donnie Wahlberg) a shoulder to lean on when his son, Sean (Andrew Terraciano), is in a bicycle accident that sends him to the hospital with a brain injury. Photo Credit: Best Possible Screen Grab/CBS © 2012 CBS. All Rights Reserved.
Danny Gets Assigned a Case Involving a Serial Killer

14. Danny Gets Assigned a Case Involving a Serial Killer

When two motorists driving gas guzzling cars die at the hands of a sniper, Danny (Donnie Wahlberg) and Kate are put on the case of what the city believes is the work of an environmentally friendly serial killer. Photo Credit: Giovanni Rufino/CBS © 2012 CBS. All Rights Reserved.