SMC 109: Paranormally We Don't Do This Sort Of Thing
SMC 110: A Gift Shop Too Far
304: Fearless Leader
305: Signals And Codes
521: New Rules
When NYPD Deputy Chief Donald Kent, a commanding officer of the gang division, and his wife are gunned down in an apparent gang hit, Frank orders all hands on deck to catch his friend's killer. Working the case, Danny and Baez go see Mario Hunt, a well-known member of a deadly gang, in the first of a two-part season finale. Dennis Haysbert guest stars as NYPD Deputy Chief Donald Kent and Cliff "Method Man Smith guest stars as Mario Hunt, a well-known member of a gang.
522: The Art Of War
601: Worst Case Scenario
602: Absolute Power
Danny and Baez investigate a possible serial killer who sends a chilling message to Danny, and Erin toys with the idea of applying for a judgeship. Also, Frank is in a bind when mayoral candidate Katherine Tucker (Mary Stuart Masterson) accuses him of secretly investigating her husband, and Eddie faces her estranged father when he winds up in the hospital.
603: All The News Thatã¢â¬â¢s Fit To Click
604: With Friends Like These
Erin's attempt to convict a slippery mob boss for an old murder is muddled when her former informant, Vincent (Dan Hedaya), leaves witness protection to provide his old boss with an alibi. Also, Frank finds himself in a departmental war with Commissioner of the New York City Fire Department, Stan Rourke (Dan Lauria).
606: Rush To Judgement
When Jamie is caught on camera committing what could be construed as police brutality at an anti-policy demonstration, Frank is forced to turn the case over to Internal Affairs. Also, Danny and Baez investigate a rape case involving a civil rights attorney who claims the charges were drummed up in retaliation for the investigation into Jaime.
607: The Bullitt Mustang
608: Unsung Heroes
When Danny and his family are threatened by Thomas Wilder (Louis Cancelmi), a serial killer Danny has been unable to apprehend, Linda's concern intensifies over her husband's job as well as the state of their marriage. Also, Jamie challenges his superior officer, Sgt. William Mulvey (A.J. Buckley), during a hostage situation.
609: Hold Outs
When a homicide case ends in a hung jury, Erin is forced to take over the case from her colleague, ADA Kelly Blake (Diane Neal), and with the help of DA investigator Anthony Abetemarco (Steve Schirripa), find a missing witness. Also, Jamie and Eddie go undercover as an elderly couple to catch a gang that is terrorizing a neighborhood.
610: Flags Of Our Fathers
611: Back In The Day
When Frank's first partner announces plans to publish a book filled with stories of their early days on the force, Frank worries about his personal stories being made public. Also, when Jamie and Eddie catch a call about a nearby officer needing assistance, the choices they each make will affect their future in the department and their relationship.
When a local mobster is gunned down in his car, Danny and Baez try to get information from the mob's low-level errand boy they find tied up in the trunk before the gang retaliates. Also, an NYPD officer asks for a new shield number to honor her late father, but Frank is conflicted as it's the same number as his deceased son, Joe's.
805: Cog Blocked