Blue Bloods ( season 8 ) - wikipedia Blue Bloods ( season 8 ) Blue Bloods ( season 8 ) Country of origin United States No. of episodes 22 Release Original network CBS Original release September 29, 2017 ( 2017 - 09 - 29 ) -- present Season chronology ← Previous Season 7 List of Blue Bloods episodes The eighth season of Blue Bloods, a police procedural drama series created by Robin Green and Mitchell Burgess, premiered on CBS on September 29, 2017. The season is set to contain 22 episodes. Contents 1 Cast 2 Episodes 3 Ratings 4 References 5 External links Cast Donnie Wahlberg ( Danny Reagan ), Bridget Moynahan ( Erin Reagan ), Will Estes ( Jamie Reagan ), and Len Cariou ( Henry Reagan ) are first credited. Then Sami Gayle ( Nicky Reagan - Boyle ) is credited next, marking the fourth season she has been included in the opening credits. Tom Selleck ( Frank Reagan ) receives an `` and '' billing at the close of the main title sequence. Amy Carlson ( Linda Reagan ) left between Seasons 7 and 8. Marisa Ramirez, as Danny 's partner Detective Maria Baez, and Vanessa Ray, as Jamie 's partner Eddie Janko, continue to receive `` also starring '' billing for season 8. Appearing regularly and receiving `` special guest star '' billing are Gregory Jbara as Deputy Commissioner of Public Information Garrett Moore, Robert Clohessy as Lt. Sidney Gormley, and Abigail Hawk as Detective Abigail Baker, Frank 's primary aide. Episodes No. overall No. in season Title Directed by Written by Original air date Prod. code U.S. viewers ( millions ) 156 `` Cutting Losses '' David M. Barrett Siobhan Byrne O'Connor September 29, 2017 ( 2017 - 09 - 29 ) 801 10.04 Erin pleads with Danny, who has been contemplating retirement since Linda 's death in a rescue helicopter crash, to help her with a case involving her ex-husband, Jack ( Peter Hermann ) ; Jamie and Eddie go undercover as a couple to bust a shady drug dealer ; new mayor Margaret Dutton ( Lorraine Bracco ) butts heads with Frank. 157 `` Ghosts of the Past '' John Behring Kevin Riley October 6, 2017 ( 2017 - 10 - 06 ) 803 9.49 Frank receives an order from the mayor to attend the annual West Indies parade, which this year is honoring a man who served time for conspiring in an attack against the police. Meanwhile, Danny and Maria investigate the return of Selena Moore ( Caroline Pluta ), who suspiciously disappeared as a teen 13 years ago. Also, Jamie and Eddie try to help a young woman they believe is being exploited by Congressman Richard Walters ( Richard Thomas ). 158 `` The Enemy of My Enemy '' Robert Harmon Ian Biederman October 13, 2017 ( 2017 - 10 - 13 ) 802 8.98 Erin 's case against human trafficker Chao Lin ( Tia Carrere ) faces difficulty when the presiding judge falls off a roof to his death. Danny and Baez investigate, while also trying to protect a key witness for the prosecution. Elsewhere, Frank 's enhanced public safety initiative is opposed by Mayor Dutton, but gains a surprising ally, City Council Speaker Regina Thomas ( Whoopi Goldberg ). 159 `` Out of the Blue '' David M. Barrett Brian Burns October 20, 2017 ( 2017 - 10 - 20 ) 804 9.08 Danny and Baez work the case of a detective who was gunned down prior to testifying against a career criminal. Also, Frank personally investigates when Garrett is attacked by a SWAT team outside his home, and Erin brings in a confidential informant against Anthony 's wishes. 160 5 `` The Forgotten '' Ralph Hemecker Allie Solomon October 27, 2017 ( 2017 - 10 - 27 ) 805 8.29 Danny and Baez investigate the murder of a single mother whose ex-husband has a documented history of violence. Also, Frank deals with the fallout when Mayor Dutton eliminates solitary confinement in prisons, while Jamie 's effort to save a young woman who overdosed on heroin has unexpected consequences. 161 6 `` Brushed Off '' Eric Laneuville Daniel Truly November 3, 2017 ( 2017 - 11 - 03 ) 806 9.27 When a famous basketball player is found dead of an apparent drug overdose, Danny and Maria look into his possible ties to a local drug gang. Also, Erin revisits the case of a man she may have wrongfully convicted nine years ago, and Frank is approached by Archbishop Kearns ( Stacey Keach ) regarding an eviction matter Jamie and Eddie are working on. 162 7 `` Common Ground '' David M. Barrett Siobhan Byrne O'Connor November 10, 2017 ( 2017 - 11 - 10 ) 807 9.94 A case turns personal for Danny when he works to protect a nurse, Faith Madson ( Jessie Mueller ), from her violent ex-boyfriend. Meanwhile, Shelly Wayne ( Cassandra Freeman ), an acquaintance of Frank 's, comes to him with a theory regarding the death of an inmate. Also, Jamie and Eddie help deliver a baby, only to learn that the mother and her family are undocumented immigrants living in deplorable conditions. 163 8 `` Pick Your Poison '' Heather Cappiello Kevin Wade November 17, 2017 ( 2017 - 11 - 17 ) 808 9.25 Eddie makes a questionable arrest of a man revealed to be a college acquaintance who once humiliated her in a frat house. Frank learns one of his best lieutenants tested positive for marijuana after a trip to Colorado, and gets caught between department regulations and Mayor Dutton 's stance on making pot legal. Meanwhile, Danny and Baez investigate a murder linked to a white supremacist group. 164 9 `` Pain Killers '' John Behring Ian Biederman December 1, 2017 ( 2017 - 12 - 01 ) 809 8.84 As Danny and Baez join a narcotics task force to track down a drug supplier at a prep school, Baez comes into contact with fentanyl and is soon fighting for her life from an accidental overdose. Also, Jamie and Eddie work to protect a rehabilitated sex offender whose neighbors are angry he lives in their apartment building, and Frank forms an unlikely alliance with Mayor Dutton when the Governor refuses to involve the NYPD during a major state trooper initiative. 165 10 `` Heavy Is the Head '' David M. Barrett Brian Burns December 8, 2017 ( 2017 - 12 - 08 ) 810 9.40 Erin is conflicted when Jamie and Eddie ask her to help drop old charges against a man, Parker Mack ( Spencer House ), who just bravely rescued a woman from a local hostage situation. Meanwhile, Danny and Baez work a case involving car thieves and discover the leader is Victor Lugo ( Nick Cordero ), a mobster they 've dealt with before. Also, Baker receives a job offer which Frank learns may have strings attached. 166 11 `` Second Chances '' Deran Sarafian Kevin Riley January 5, 2018 ( 2018 - 01 - 05 ) 811 9.98 When a journalist disappears while working on an exposé about an innocent man serving time for murder, Danny and Baez hope that reexamining the original case will help find her. Also, Frank reluctantly speaks out against an initiative led by Erin 's office to consider drug abuse as a disease first, and a crime second. 167 12 `` The Brave '' Tom Moore Siobhan Byrne O'Connor January 12, 2018 ( 2018 - 01 - 12 ) 812 TBD 168 13 `` Erasing History '' Jane Raab Daniel Truly January 19, 2018 ( 2018 - 01 - 19 ) 813 TBD Ratings No. Title Air date Rating / share ( 18 -- 49 ) Viewers ( millions ) DVR ( 18 -- 49 ) DVR viewers ( millions ) Total ( 18 -- 49 ) Total viewers ( millions ) `` Cutting Losses '' September 29, 2017 1.1 / 5 10.04 0.7 4.57 1.8 14.60 `` Ghosts of the Past '' October 6, 2017 1.0 / 4 9.49 0.7 4.18 1.7 13.67 `` The Enemy of My Enemy '' October 13, 2017 0.9 / 4 8.98 0.6 4.13 1.5 13.11 `` Out of the Blue '' October 20, 2017 0.9 / 4 9.08 0.7 4.12 1.6 13.20 5 `` The Forgotten '' October 27, 2017 0.9 / 4 8.29 N / A 4.14 N / A 12.43 6 `` Brushed Off '' November 3, 2017 0.9 / 4 9.27 N / A 3.97 N / A 13.24 7 `` Common Ground '' November 10, 2017 1.0 / 5 9.94 0.7 3.84 1.7 13.78 8 `` Pick Your Poison '' November 17, 2017 0.9 / 4 9.25 N / A 4.14 N / A 13.40 9 `` Pain Killers '' December 1, 2017 0.8 / 4 8.84 0.7 4.54 1.5 13.41 10 `` Heavy is the Head '' December 8, 2017 0.9 / 4 9.40 0.7 4.07 1.6 13.47 11 `` Second Chances '' January 5, 2018 1.0 / 4 9.98 TBD TBD TBD TBD 12 `` The Brave '' January 12, 2018 TBD TBD TBD TBD TBD TBD 13 `` Erasing History '' January 19, 2018 TBD TBD TBD TBD TBD TBD References Jump up ^ Andreeva, Nellie ( March 23, 2017 ). `` CBS Renews 5 Freshman & 11 Returning Series, Including ' MacGyver ', ' Superior Donuts ', ' Life In Pieces ' & ' Hawaii Five - O ' ''. Deadline Hollywood. Archived from the original on March 23, 2017. Retrieved March 23, 2017. Jump up ^ `` CBS Announces Fall 2017 - 2018 Primetime Premiere Dates ''. CBS. ^ Jump up to : Porter, Rick ( October 2, 2017 ). `` ' Hell 's Kitchen ' premiere adjusts up : Friday final ratings ''. TV by the Numbers. Retrieved October 2, 2017. ^ Jump up to : Porter, Rick ( October 9, 2017 ). `` ' Hawaii Five - 0 ' and ' Hell 's Kitchen ' adjust up, ' Exorcist ' adjusts down : Friday final ratings ''. Retrieved October 9, 2017. ^ Jump up to : Welch, Alex ( October 16, 2017 ). `` ' Hell 's Kitchen, ' ' MacGyver, ' ' Once Upon a Time, ' & more remain unchanged : Friday final ratings ''. TV by the Numbers. Retrieved October 16, 2017. ^ Jump up to : Porter, Rick ( October 23, 2017 ). `` ' Jane the Virgin, ' ' Hawaii Five - 0, ' all others unchanged : Friday final ratings ''. TV by the Numbers. Retrieved October 23, 2017. ^ Jump up to : Porter, Rick ( October 30, 2017 ). `` ' MacGyver, ' ' Jane the Virgin ' and World Series adjust up : Friday final ratings ''. TV by the Numbers. Retrieved October 30, 2017. ^ Jump up to : Porter, Rick ( November 6, 2017 ). `` ' Hawaii Five - 0, ' ' Once Upon a Time ' and others unchanged : Friday final ratings ''. TV by the Numbers. Retrieved November 6, 2017. ^ Jump up to : Porter, Rick ( November 13, 2017 ). `` ' Hawaii Five - 0, ' ' Hell 's Kitchen, ' everything else unchanged : Friday final ratings ''. TV by the Numbers. Retrieved November 13, 2017. ^ Jump up to : Porter, Rick ( November 20, 2017 ). `` ' Hell 's Kitchen, ' ' MacGyver ' and all others unchanged : Friday final ratings ''. TV by the Numbers. Retrieved November 20, 2017. ^ Jump up to : Porter, Rick ( December 4, 2017 ). `` ' Blue Bloods ' and ' The Exorcist ' adjust down : Friday final ratings ''. TV by the Numbers. Retrieved December 4, 2017. ^ Jump up to : Porter, Rick ( December 11, 2017 ). `` ' Blue Bloods ' adjusts down : Friday final ratings ''. TV by the Numbers. Retrieved December 11, 2017. ^ Jump up to : Porter, Rick ( January 8, 2018 ). `` ' Child Support, ' ' MacGyver, ' everything else steady : Friday final ratings ''. TV by the Numbers. Retrieved January 8, 2018. Jump up ^ `` ( # BB812 ) `` The Brave '' ``. The Futon Critic. Retrieved December 22, 2017. Jump up ^ `` ( # BB813 ) `` Erasing History '' ``. The Futon Critic. Retrieved December 27, 2017. Jump up ^ Porter, Rick ( October 13, 2017 ). `` ' This Is Us ' and ' The Good Doctor ' score big in premiere week broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved October 15, 2017. Jump up ^ Porter, Rick ( October 18, 2017 ). `` ' The Orville, ' ' Once Upon a Time, ' 5 more shows double in week 2 broadcast Live + 7 ratings ''. TV by the Numbers.com. Retrieved October 18, 2017. Jump up ^ Porter, Rick ( October 25, 2017 ). `` ' The Good Doctor ' is the most - watched show on TV in week 3 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved October 25, 2017. Jump up ^ Porter, Rick ( November 2, 2017 ). `` ' Chicago PD, ' 10 more shows double in week 4 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved November 2, 2017. Jump up ^ Porter, Rick ( November 9, 2017 ). `` ' Grey 's Anatomy ' keeps rolling along in week 5 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved November 9, 2017. Jump up ^ Porter, Rick ( November 17, 2017 ). `` ' This Is Us ' and 12 more shows double in week 6 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved November 17, 2017. Jump up ^ Porter, Rick ( November 27, 2017 ). `` ' This Is Us ' rides high in week 7 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved November 27, 2017. Jump up ^ Porter, Rick ( December 5, 2017 ). `` ' Jane the Virgin, ' 10 other shows double in week 8 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved December 5, 2017. Jump up ^ Porter, Rick ( December 15, 2017 ). `` CW crossovers get another bump in week 10 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved December 15, 2017. Jump up ^ Porter, Rick ( December 21, 2017 ). `` ' Agents of SHIELD ' gets a good bump in week 11 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved December 21, 2017. External links Official website List of Blue Bloods episodes on IMDb List of Blue Bloods episodes at TV.com Blue Bloods Characters Episodes Season 1 5 6 7 8 Retrieved from `` https://en.wikipedia.org/w/index.php?title=Blue_Bloods_(season_8)&oldid=819405705 '' Categories : 2017 American television seasons 2018 American television seasons Blue Bloods ( TV series ) Hidden categories : Official website not in Wikidata Talk Contents About Wikipedia Add links This page was last edited on 9 January 2018, at 05 : 21. Text is available under the Creative Commons Attribution - ShareAlike License ; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia ® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. About Wikipedia

Question: who plays the mayor on season eight of bluebloods
Answer: (Lorraine Bracco