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The Best Episodes of Blue Bloods Season 4

Every episode of Blue Bloods Season 4 ranked from best to worst. Discover the Best Episodes of Blue Bloods Season 4!

Binge this in 16h 30m•Peaking at 8.5/10

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 4 Episode 1 - Unwritten Rules
    8.1/10(545 votes)

    #1 - Unwritten Rules

    S4:E1

    When an armed robbery ends with the death of a police officer, Frank makes it a mission for the NYPD to bring the suspect to justice. However, tensions run high in the Reagan household when Erin drops the charges and releases the suspect due to lack of evidence.

    Director:David Barrett
    Writer:Ian Biederman

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  2. Blue Bloods Season 4 Episode 2 - The City That Never Sleeps
    8.2/10(521 votes)

    #2 - The City That Never Sleeps

    S4:E2

    When a famous movie star who shadowed Danny for research on his next role is stabbed, Danny goes to his aid but must keep the crime on the down-low due to the celebrity's status.

    Director:John Behring
    Writer:Kevin Wade

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  3. Blue Bloods Season 4 Episode 3 - To Protect and Serve
    8.5/10(576 votes)

    #3 - To Protect and Serve

    S4:E3

    Danny becomes the lead hostage negotiator when an informant in a large drug case holds Erin at gunpoint inside the courtroom.

    Director:Peter Werner
    Writer:Siobhan Byrne O'Connor

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  4. Blue Bloods Season 4 Episode 4 - The Truth About Lying
    8.1/10(492 votes)

    #4 - The Truth About Lying

    S4:E4

    A teen girl dies after she is seemingly pushed in front of a subway car by a homeless man. Frank is irritated because he has to meet the new inspector general (Bebe Neuwirth).

    Director:Robert Duncan McNeill
    Writer:Brian Burns

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  5. Blue Bloods Season 4 Episode 5 - Lost and Found
    8.0/10(1174 votes)

    #5 - Lost and Found

    S4:E5

    When Danny and Baez suspect a little girl might be the victim of a kidnapping, the girl’s mother denies it, but her story doesn’t add up. Meanwhile, Frank pays a visit to a priest, a counselor to the NYPD, who was arrested on a DUI charge.

    Director:Alex Chapple
    Writer:Daniel Truly

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  6. Blue Bloods Season 4 Episode 6 - Growing Boys
    7.9/10(477 votes)

    #6 - Growing Boys

    S4:E6

    Jamie's conduct is questioned when a suspect he was pursuing is fatally injured. Baez goes undercover to investigate a drug dealer — the fiancé of Danny's ex-girlfriend.

    Director:Eric Laneuville
    Writer:Willie Reale

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  7. Blue Bloods Season 4 Episode 7 - Drawing Dead
    8.0/10(456 votes)

    #7 - Drawing Dead

    S4:E7

    When an officer is accused of using excessive force on a suspect, Frank finds his department under scrutiny from the community and the mayor. Danny and Baez investigate the murder of a Wall Street securities trader who was deep in gambling debts.

    Director:Ralph Hemecker
    Writer:Ian Biederman

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  8. Blue Bloods Season 4 Episode 8 - Justice Served
    8.2/10(488 votes)

    #8 - Justice Served

    S4:E8

    Frank is put in danger when his dinner companion, mob lawyer Angelo Gallo, is shot. Danny is a juror in a murder trial.

    Director:David Barrett
    Writer:Siobhan Byrne O'Connor

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  9. Blue Bloods Season 4 Episode 9 - Bad Blood
    8.0/10(471 votes)

    #9 - Bad Blood

    S4:E9

    Danny and Baez investigate a homicide in which Baez’s estranged brother, a former drug addict, is the lead suspect. Frank learns one of his most highly decorated officers, a German Shepherd in the K9 unit, is being accused of brutality. Henry investigates the widow of a former NYPD pal who might have had a hand in her husband’s death.

    Director:Robert Harmon
    Writer:Daniel Truly

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  10. Blue Bloods Season 4 Episode 10 - Mistaken Identity
    7.6/10(472 votes)

    #10 - Mistaken Identity

    S4:E10

    Danny and Baez investigate a local bombing but meet with tension and resistance from the community during the investigation. Frank must deal with the political fallout when a man punches an officer who was allegedly too aggressive in his questioning.

    Director:David Solomon
    Writers:Ian Biederman, Diana Son

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  11. Blue Bloods Season 4 Episode 11 - Ties That Bind
    7.9/10(447 votes)

    #11 - Ties That Bind

    S4:E11

    Danny’s loyalty is tested when he is assigned to the case of a childhood friend, Mickey, who is under investigation for having ties to an infamous mob family. Frank gets word that crime is on the rise due to a recent judicial ruling about the legality of the “stop and frisk” policy.

    Director:Christine Moore
    Writer:Brian Burns

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  12. Blue Bloods Season 4 Episode 12 - The Bogeyman
    8.1/10(479 votes)

    #12 - The Bogeyman

    S4:E12

    Danny is after the distributor of a deadly new street drug.

    Director:David Barrett
    Writers:Ben Cummings, Orson Cummings, Kevin Wade

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  13. Blue Bloods Season 4 Episode 13 - Unfinished Business
    8.1/10(481 votes)

    #13 - Unfinished Business

    S4:E13

    Danny and Baez search for a Marine veteran who may have PTSD. A woman seeking justice for her murdered daughter catches Frank off guard during a press conference.

    Director:Alex Chapple
    Writer:Siobhan Byrne O'Connor

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  14. Blue Bloods Season 4 Episode 14 - Manhattan Queens
    7.5/10(598 votes)

    #14 - Manhattan Queens

    S4:E14

    A popular drag queen and reality-TV star is found dead in a park. The mother of an accused man abducts Erin.

    Director:Donnie Wahlberg
    Writer:Willie Reale

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  15. Blue Bloods Season 4 Episode 15 - Open Secrets
    8.1/10(488 votes)

    #15 - Open Secrets

    S4:E15

    A kidnapping investigation brings back bad memories for Danny, who worked a similar case years ago. Frank and Inspector General Peterson butt heads.

    Director:Eric Laneuville
    Writer:Ian Biederman

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  16. Blue Bloods Season 4 Episode 16 - Insult to Injury
    8.0/10(478 votes)

    #16 - Insult to Injury

    S4:E16

    When Danny takes a call from a woman who is threatening to kill herself along with the man who killed her parents in a drunk driving accident, he rushes to find her. Frank accompanies his grandson, Sean, on a class field trip and struggles to get the lead chaperone to loosen the reigns so the kids can have fun.

    Director:David Barrett
    Writer:Unknown

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  17. Blue Bloods Season 4 Episode 17 - Knockout Game
    7.8/10(446 votes)

    #17 - Knockout Game

    S4:E17

    Danny and Baez search for teenagers who have been randomly punching unsuspecting people in the head, including a pregnant woman. Frank worries that promoting an officer will be viewed as favoritism.

    Director:Robert Harmon
    Writer:Brian Burns

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  18. Blue Bloods Season 4 Episode 18 - Righting Wrongs
    8.0/10(445 votes)

    #18 - Righting Wrongs

    S4:E18

    A woman dies after undergoing plastic surgery, so Danny and Baez try to figure out what happened. Frank asks Jamie to solve a cold case. Erin explores the world of speed dating.

    Director:Alex Zakrzewski
    Writer:Siobhan Byrne O'Connor

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  19. Blue Bloods Season 4 Episode 19 - Secret Arrangements
    7.9/10(447 votes)

    #19 - Secret Arrangements

    S4:E19

    A college professor involved with a questionable scholarship program is murdered. Danny is investigated for ethical and procedural violations.

    Director:Tawnia McKiernan
    Writer:Unknown

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  20. Blue Bloods Season 4 Episode 20 - Custody Battle
    8.0/10(455 votes)

    #20 - Custody Battle

    S4:E20

    Erin investigates a case involving a police officer accused of killing a suspect in custody. Jamie encourages his partner Eddie to forgive her father.

    Director:Alex Chapple
    Writer:Ian Biederman

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  21. Blue Bloods Season 4 Episode 21 - Above and Beyond
    8.1/10(438 votes)

    #21 - Above and Beyond

    S4:E21

    After a detective from Danny's precinct is killed while working undercover, Frank goes above and beyond to find the killer only to discover that the victim held a big secret. Jamie and Eddie help Nicky track down a homeless former classmate.

    Director:Greg Beeman
    Writer:Daniel Truly

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  22. Blue Bloods Season 4 Episode 22 - Exiles
    8.4/10(496 votes)

    #22 - Exiles

    S4:E22

    Danny uncovers shocking information while investigating a case against orders.

    Director:David Barrett
    Writer:Kevin Wade

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Season 4 Ratings Summary

"Unwritten Rules" is the best rated episode of "Blue Bloods" season 4. It scored 8.1/10 based on 545 votes. Directed by David Barrett and written by Ian Biederman, it aired on 9/27/2013. This episode is rated 0.1 points higher than the second-best, "The City That Never Sleeps".