No. of Episodes:

22

Starring :

Tom Selleck

Donnie Wahlberg

Bridget Moynahan

Will Estes

Len Cariou

Season 4

27/09/2013

Episodes

Unwritten Rules

The City That Never Sleeps

To Protect and Serve

The Truth About Lying

Lost and Found

Growing Boys

Drawing Dead

Justice Served

Bad Blood

Mistaken Identity

Ties That Bind

The Bogeyman

Unfinished Business

Manhattan Queens

Open Secrets

Insult to Injury

Knockout Game

Righting Wrongs

Secret Arrangements

Custody Battle

Above and Beyond

Exiles