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The Best Episodes of Blue Bloods Season 9

Every episode of Blue Bloods Season 9 ranked from best to worst. Discover the Best Episodes of Blue Bloods Season 9!

Binge this in 16h 30m•Peaking at 8.7/10

A drama about a multi-generational family of cops dedicated to New York City law enforcement. Frank Reagan is the New York Police Commissioner and heads both the police force and the Reagan brood. He runs

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Episode Rankings

  1. #1 Fan Favorite
    Blue Bloods Season 9 Episode 22 - Something Blue
    8.7/10(461 votes)

    S9:E22

    As Jamie and Eddie's wedding day approaches, Frank worries about the toast he'll deliver at their rehearsal dinner. Erin interviews a witness whose story leads her to doubt Eddie's honesty. Danny and Baez unravel the complicated love life of a young homicide victim.

    Director:David Barrett
    Writer:Brian Burns

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  2. Blue Bloods Season 9 Episode 19 - Common Enemies
    8.4/10(446 votes)

    S9:E19

    After someone breaks into Luis Delgado’s home and kills his wife, Luis and Danny team up to take down the vicious murderer who may also be responsible for Linda’s death. Frank finally meets Eddie’s mother. Jamie and Erin are at odds after Jamie seeks her help charging a man who confessed to him while under the influence.

    Director:David Barrett
    Writer:Siobhan Byrne O'Connor

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  3. Blue Bloods Season 9 Episode 7 - By Hook or by Crook
    8.3/10(449 votes)

    S9:E7

    Things get personal for Danny when the drug cartel hit man responsible for torching his house resurfaces. An attack on an officer in the line of duty directly impacts a member of Frank's team. Eddie reluctantly introduces Jamie to her mother.

    Director:David Barrett
    Writer:Siobhan Byrne O'Connor

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  4. Blue Bloods Season 9 Episode 9 - Handcuffs
    8.3/10(424 votes)

    S9:E9

    A video surfaces of cops being harassed by a group of people at a housing complex, which leads Frank to order a raid to round up anyone with an outstanding warrant, against Garrett’s advice. Danny is approached by a woman he put in jail who asks for his help keeping her brother out of trouble. Nicky’s new boyfriend has ulterior motives.

    Director:Heather Cappiello
    Writer:Brian Burns

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  5. Blue Bloods Season 9 Episode 15 - Blues
    8.3/10(417 votes)

    S9:E15

    While off duty, Danny witnesses a gas station robbery in progress and is forced to use his weapon, leaving him shaken and his family and co-workers concerned. Eddie apprehends a turnstile jumper who pleads for leniency by offering information on a missing weapon that's vital to one of Erin's cases. Frank learns that a top officer in his department has a dark past.

    Director:David Barrett
    Writer:Brian Burns

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  6. Blue Bloods Season 9 Episode 1 - Playing with Fire
    8.2/10(469 votes)

    S9:E1

    Danny takes on a personal case involving a drug cartel member who Danny believes is responsible for torching his house. Erin is given a promotion in the DA's office but finds herself in a challenging situation when both Danny and Jamie ask her for help with their investigations. Frank and Jaime have a disagreement when Jamie refuses to stop riding with Eddie.

    Director:David Barrett
    Writer:Siobhan Byrne O'Connor

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  7. Blue Bloods Season 9 Episode 2 - Meet the New Boss
    8.2/10(429 votes)

    S9:E2

    Gormley looks to Danny and Baez for help tracking down a former NYPD detective he believes may be a threat to Frank's safety. Erin navigates office politics when she chooses to reopen a closed case. Jamie is transferred to a new precinct with a lot of problems. Frank and Baker team up to investigate a complaint about an SVU detective.

    Director:Robert Harmon
    Writer:Ian Biederman

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  8. Blue Bloods Season 9 Episode 14 - My Brother's Keeper
    8.2/10(412 votes)

    S9:E14

    It’s Reagan versus Reagan when Danny goes against Jamie’s direct order during a hostage negotiation. Nicky asks Erin for help when her friend is in jeopardy of losing his scholarship because of a crime he didn’t commit. Frank helps a distraught officer who accidentally shot an innocent girl.

    Director:Douglas Aarniokoski
    Writer:Ian Biederman

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  9. Blue Bloods Season 9 Episode 5 - Thicker Than Water
    8.1/10(415 votes)

    S9:E5

    Danny and Baez investigate a murder attempt against a celebrated fertility doctor with a seemingly pristine reputation. Eddie must intervene in a Reagan family matter involving Danny's boys. Erin helps Anthony find justice after a date goes wrong.

    Director:Jackeline Tejada
    Writer:Daniel Truly

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  10. Blue Bloods Season 9 Episode 21 - Identity
    8.1/10(391 votes)

    S9:E21

    DNA evidence in a murder case leads Danny and Baez to identical twins with identical alibis. Frank learns that Nicky is interviewing for a job at the Justice Coalition, which he rarely sees eye-to-eye with. Jamie visits Eddie's father in prison.

    Director:John Behring
    Writer:Daniel Truly

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  11. Blue Bloods Season 9 Episode 3 - Mind Games
    8.0/10(420 votes)

    S9:E3

    While investigating a case involving a woman who shot her husband while she was drunk, Danny's instincts tell him there is more to the story. Anthony ignores Erin's orders to drop an assault case. Frank holds an emergency drill for his inner circle. Jamie and Eddie navigate their changing work-life dynamic

    Director:John Behring
    Writer:Brian Burns

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  12. Blue Bloods Season 9 Episode 6 - Trust
    7.9/10(410 votes)

    S9:E6

    Jamie clashes with Eddie and her new partner when they fail to intervene in a dispute at a convenience store. Danny and Baez investigate the death of a college freshman at a fraternity party. A sergeant accuses the department of reverse racism.

    Director:Alex Zakrzewski
    Writer:Kevin Wade

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  13. Blue Bloods Season 9 Episode 8 - Stirring the Pot
    7.9/10(397 votes)

    S9:E8

    Erin and Frank clash over new legislation from the district attorney's office that undermines Frank's policies. Erin is at odds with Governor Mendez over questionable sex-trafficking laws. Danny risks his badge to protect a friend from losing his.

    Director:David Barrett
    Writer:Siobhan Byrne O'Connor

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  14. Blue Bloods Season 9 Episode 13 - Ripple Effect
    7.9/10(417 votes)

    S9:E13

    A medium approaches Danny and Baez claiming to know what happened to a woman who was found dead of an apparent suicide. Jamie and Eddie help a woman who bought cheap insulin online that nearly killed her son. Frank goes against the wishes of the archbishop to take down a man he believes is laundering money from a charity. Erin’s ex-husband asks her for help with a case.

    Director:Ralph Hemecker
    Writer:Siobhan Byrne O'Connor

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  15. Blue Bloods Season 9 Episode 16 - Past Tense
    7.9/10(381 votes)

    S9:E16

    After a woman is murdered in her apartment, Danny and Baez turn to her daughter for help, but instead she complicates the investigation. Someone from Jamie and Eddie’s past launches a smear campaign against them. A mobster shows up in the DA’s office claiming to be Anthony’s long-lost brother.

    Director:Rachel Feldman
    Writer:Daniel Truly

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  16. Blue Bloods Season 9 Episode 17 - Two-faced
    7.9/10(381 votes)

    S9:E17

    Frank's longtime friend Lenny reveals to him that an upcoming exposé will air some of the NYPD's dirty laundry. Erin must decide how to charge a doctor whose experimental treatments led to the death of his terminally ill daughter. Danny and Baez investigate the mysterious overdose of a promising artist. Jamie follows a lead about a corrupt officer in his precinct.

    Director:Ralph Hemecker
    Writer:Kevin Riley

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  17. Blue Bloods Season 9 Episode 18 - Rectify
    7.9/10(371 votes)

    S9:E18

    After an incident where an officer's backup physically could not keep up in a chase, Frank must decide whether to implement a more rigorous fitness test for the NYPD. Danny is hesitant to pursue a cold case after learning who the original detective was. Anthony begs Erin to stall a murder trial so he can gather more evidence.

    Director:Robert Harmon
    Writer:Allie Solomon

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  18. Blue Bloods Season 9 Episode 4 - Blackout
    7.8/10(404 votes)

    S9:E4

    When New York City experiences a major blackout, police officers scramble to contain the resulting chaos. Frank uncovers some unpleasant truths about his department. Jamie and Eddie question the line between work and their relationship.

    Director:Ralph Hemecker
    Writer:Allie Solomon

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  19. Blue Bloods Season 9 Episode 10 - Authority Figures
    7.8/10(395 votes)

    S9:E10

    When a video surfaces of officers partaking in a clear case of entrapment, Frank focuses on finding the cop who leaked the video. Eddie retaliates against a co-worker who is pranking Jamie. Danny and Baez investigate the murder of a tabloid writer who worked in the hip-hop scene. Erin gives a high-profile case to a young ADA under her tutelage.

    Directors:Eric Laneuville, Heather Cappiello
    Writer:Kevin Riley

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  20. Blue Bloods Season 9 Episode 12 - Milestones
    7.8/10(406 votes)

    S9:E12

    A former officer waits on Frank at a restaurant, causing him to feel guilty about the circumstances of her being fired, and he tries to reinstate her. Danny and Baez investigate the murder of a star college basketball player linked to sports betting. Erin seeks justice in an apparent DUI. Jamie and Eddie pick a wedding venue.

    Director:Heather Cappiello
    Writer:Allie Solomon

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  21. Blue Bloods Season 9 Episode 20 - Strange Bedfellows
    7.7/10(374 votes)

    S9:E20

    Erin must convince Frank to back a new state police bill as part of a bargain she made with Governor Mendez. Danny and Baez pursue the same perp twice after the DA’s office is unconvinced by their initial lineup. Frank faces a challenge when a cop killer comes up for parole.

    Director:Dean White
    Writer:Ian Biederman

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  22. Blue Bloods Season 9 Episode 11 - Disrupted
    7.6/10(409 votes)

    S9:E11

    Frank questions whether a run-in with community activists was an accident or a setup. Jamie strives to rely less on Frank’s input to make decisions. Erin helps Anthony protect his daughter and ex-wife from a dangerous psychiatric patient. Danny and his neighbor size each other up when they learn their kids are dating.

    Director:David Barrett
    Writer:Daniel Truly

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Season 9 Ratings Summary

"Something Blue" is the best rated episode of "Blue Bloods" season 9. It scored 8.7/10 based on 461 votes. Directed by David Barrett and written by Brian Burns, it aired on 5/10/2019. This episode is rated 0.3 points higher than the second-best, "Common Enemies".