Drama•Crime

The Best Seasons of Castle

Every season of Castle ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Castle!

Binge this in Unknown•Peaking at 9.3/10

After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New York City to tag along with an NYPD homicide investigation team for

Airs on

Season 4

23 Episodes

First Aired: Sep 2011

8.3/ 10

Average Rating

Best episodeE23 · Always 9.3

Season 5

24 Episodes

First Aired: Sep 2012

8.2/ 10

Average Rating

Best episodeE16 · Hunt (2) 9.3

Season 3

24 Episodes

First Aired: Sep 2010

8.2/ 10

Average Rating

Best episodeE24 · Knockout 9.2

Other Seasons

Season 6

23 Episodes

First Aired: Sep 2013

8.1/ 10

Average Rating

Best episodeE22 · Veritas 9.0

Season 2

24 Episodes

First Aired: Sep 2009

8.1/ 10

Average Rating

Best episodeE17 · Tick, Tick, Tick... (1) 9.0

Season 7

23 Episodes

First Aired: Sep 2014

8.0/ 10

Average Rating

Best episodeE15 · Reckoning (2) 9.1

Season 1

10 Episodes

First Aired: Mar 2009

7.8/ 10

Average Rating

Best episodeE1 · Flowers for Your Grave 8.3

Season 8

22 Episodes

First Aired: Sep 2015

7.7/ 10

Average Rating

Best episodeE12 · The Blame Game 8.4