Episodes: Series - Blue Bloods S9 - 2018

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• episode #2
• episode #3
• episode #4
• episode #5
• episode #6
• episode #7
• episode #8
• episode #9
• episode #10
• episode #11
• episode #12
• episode #13
• episode #14
• episode #15
• episode #16
• episode #17
• episode #18
• episode #19
• episode #20
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Danny accepts a case involving a drug cartel member, whom he believes has put his house on fire. In the meantime, Erin gets promoted but finds herself in a difficult situation when both Danny and Jamie want her assistance with their investigation.

Gormley searches for a former NYPD officer, whom he feels might pose a threat to Frank's safety. Erin deals with office politics when she decides to reopen a closed case. Jamie is reassigned to a new precinct with a lot of issues.

As Danny looks into a case involving a drunken lady who shot her husband, Anthony opposes Erin's orders to dismiss an assault case, and Frank performs an emergency drill.

After New York City faces a severe blackout, police officers struggle to quell the ensuing pandemonium. Frank learns some unsettling realities about his department.

As Danny and Baez are investigating a murder attempt of a prominent fertility specialist with an apparently spotless record, Eddie is called in to intercede in a Regan family situation affecting Danny's boys.

When Eddie and her new partner refuse to interfere in a disagreement at a convenience shop, Jamie argues with them. As Danny and Baez look into the murder of a college student at a fraternity party, a sergeant accuses the department of being discriminating.

The drug cartel hitman who set fire to Danny's house returns. Additionally, an officer in the line of duty gets attacked and it directly affects a member of Frank's squad.

Erin and Frank disagree over a new district attorney's office policy that contradicts Frank's policies. Erin clashes with Governor Mendez over dubious sex-trafficking legislation, and Danny risks his badge so that his pal will not lose his.

A video of a group of people in an apartment complex assaulting some officers is published, which prompts Frank to issue an order to raid the place.

A video of cops participating in an obvious instance of entrapment appears and Frank looks for the perpetrator. Danny and Baez look into the death of a tabloid journalist.

Frank wonders about the nature of his meeting with some community activists. Jamie aspires to rely less on Frank. Erin helps Anthony protect his daughter and ex-wife.

After a former officer serves Frank at a restaurant, he feels sorry about the circumstances behind her dismissal and attempts to rehire her.

Jamie and Eddie assist a mother who nearly killed her son after purchasing cheap insulin online; Frank pursues a man he believes is embezzling money from a charity; and a medium claims to know what happened to a woman who was discovered dead from what appeared to be a suicide.

Danny defies a direct command during a hostage negotiation, Nicky seeks Erin's assistance when her classmate is threatened with losing his scholarship due to a crime he did not commit.

During being off duty, Danny witnesses a petrol station robbery and is forced to use his pistol, leaving him scared and his family and coworkers worried. Frank discovers that a senior cop in his department has a terrible background.

After a lady is murdered in her flat, Danny and Baez turn to her daughter for assistance, but she complicates the case by launching a smear campaign against Jamie and Eddie.

Lenny, Frank's old buddy, explains that a forthcoming exposé would include some of the NYPD's dirty deeds. Erin must decide how to deal with a doctor whose experimental therapies killed his terminally sick daughter.

After one officer struggles to keep up with his partner, Frank contemplates adopting a fitness test. As Danny is hesitant to continue a cold case after knowing who the original detective was, Anthony begs Erin to postpone a trial.

When someone breaks into Luis Delgado's house and murders his wife, Luis and Danny band together to hunt down the ruthless killer, who might be responsible for Linda's death.

Erin must persuade Frank to support a new state police law as part of a deal she struck with Gov. Mendez. After the DA's office is not persuaded by their first lineup, Baez pursues the same suspect twice, while a cop killer is up for parole.

DNA evidence in a murder case directs Danny and Baez to identical twins with identical alibis. Jamie pays Eddie's father Armin a visit in jail, and Frank finds out that Nicky is having a job interview at the Justice Coalition.

Erin interrogates a witness whose narrative makes her doubt Eddie's honesty as Jamie and Eddie's wedding day approaches. Danny and Baez investigate the tangled love life of a dead young man.