8.1/10(535 votes)#1 - Unwritten Rules
S4:E1Director:David BarrettWriter:Ian Biederman0 CommentsBe first to comment!Be the first to share your thoughts
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Director:David BarrettWriter:Ian Biederman
8.2/10(511 votes)#2 - The City That Never Sleeps
S4:E2Director:John BehringWriter:Kevin Wade0 CommentsBe first to comment!Be the first to share your thoughts
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Director:John BehringWriter:Kevin Wade
8.5/10(565 votes)#3 - To Protect and Serve
S4:E3Director:Peter WernerWriter:Siobhan Byrne O'Connor0 CommentsBe first to comment!Be the first to share your thoughts
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Director:Peter WernerWriter:Siobhan Byrne O'Connor
8.0/10(481 votes)#4 - The Truth About Lying
S4:E4Director:Robert Duncan McNeillWriter:Brian Burns0 CommentsBe first to comment!Be the first to share your thoughts
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Director:Robert Duncan McNeillWriter:Brian Burns
8.0/10(1.2k votes)#5 - Lost and Found
S4:E5Director:Alex ChappleWriter:Daniel Truly0 CommentsBe first to comment!Be the first to share your thoughts
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Director:Alex ChappleWriter:Daniel Truly
7.9/10(467 votes)#6 - Growing Boys
S4:E6Director:Eric LaneuvilleWriter:Willie Reale0 CommentsBe first to comment!Be the first to share your thoughts
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Director:Eric LaneuvilleWriter:Willie Reale
8.0/10(447 votes)#7 - Drawing Dead
S4:E7Director:Ralph HemeckerWriter:Ian Biederman0 CommentsBe first to comment!Be the first to share your thoughts
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Director:Ralph HemeckerWriter:Ian Biederman
8.1/10(479 votes)#8 - Justice Served
S4:E8Director:David BarrettWriter:Siobhan Byrne O'Connor0 CommentsBe first to comment!Be the first to share your thoughts
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Director:David BarrettWriter:Siobhan Byrne O'Connor
8.0/10(463 votes)#9 - Bad Blood
S4:E9Director:Robert HarmonWriter:Daniel Truly0 CommentsBe first to comment!Be the first to share your thoughts
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Director:Robert HarmonWriter:Daniel Truly
7.5/10(462 votes)#10 - Mistaken Identity
S4:E10Director:David Solomon0 CommentsBe first to comment!Be the first to share your thoughts
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Director:David Solomon
7.9/10(439 votes)#11 - Ties That Bind
S4:E11Director:Christine MooreWriter:Brian Burns0 CommentsBe first to comment!Be the first to share your thoughts
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Director:Christine MooreWriter:Brian Burns
8.1/10(470 votes)#12 - The Bogeyman
S4:E12Director:David Barrett0 CommentsBe first to comment!Be the first to share your thoughts
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Director:David Barrett
8.1/10(474 votes)#13 - Unfinished Business
S4:E13Director:Alex ChappleWriter:Siobhan Byrne O'Connor0 CommentsBe first to comment!Be the first to share your thoughts
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Director:Alex ChappleWriter:Siobhan Byrne O'Connor
7.5/10(590 votes)#14 - Manhattan Queens
S4:E14Director:Donnie WahlbergWriter:Willie Reale0 CommentsBe first to comment!Be the first to share your thoughts
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Director:Donnie WahlbergWriter:Willie Reale
8.0/10(480 votes)#15 - Open Secrets
S4:E15Director:Eric LaneuvilleWriter:Ian Biederman0 CommentsBe first to comment!Be the first to share your thoughts
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Director:Eric LaneuvilleWriter:Ian Biederman
8.0/10(467 votes)#16 - Insult to Injury
S4:E16Director:David BarrettWriter:Unknown0 CommentsBe first to comment!Be the first to share your thoughts
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Director:David BarrettWriter:Unknown
7.8/10(438 votes)#17 - Knockout Game
S4:E17Director:Robert HarmonWriter:Brian Burns0 CommentsBe first to comment!Be the first to share your thoughts
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Director:Robert HarmonWriter:Brian Burns
8.0/10(438 votes)#18 - Righting Wrongs
S4:E18Director:Alex ZakrzewskiWriter:Siobhan Byrne O'Connor0 CommentsBe first to comment!Be the first to share your thoughts
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Director:Alex ZakrzewskiWriter:Siobhan Byrne O'Connor
7.9/10(439 votes)#19 - Secret Arrangements
S4:E19Director:Tawnia McKiernanWriter:Unknown0 CommentsBe first to comment!Be the first to share your thoughts
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Director:Tawnia McKiernanWriter:Unknown
8.0/10(445 votes)#20 - Custody Battle
S4:E20Director:Alex ChappleWriter:Ian Biederman0 CommentsBe first to comment!Be the first to share your thoughts
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Director:Alex ChappleWriter:Ian Biederman
8.1/10(429 votes)#21 - Above and Beyond
S4:E21Director:Greg BeemanWriter:Daniel Truly0 CommentsBe first to comment!Be the first to share your thoughts
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Director:Greg BeemanWriter:Daniel Truly
8.4/10(487 votes)#22 - Exiles
S4:E22Director:David BarrettWriter:Kevin Wade0 CommentsBe first to comment!Be the first to share your thoughts
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Director:David BarrettWriter:Kevin Wade

CrimeDrama

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!

The Best Episodes of Blue Bloods Season 4
CrimeDrama
Every episode of Blue Bloods Season 4 ranked from best to worst. Discover the Best Episodes of Blue Bloods Season 4!
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...
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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 535 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".