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TV Seasons The Best Seasons of Castle  

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530 votes 152 voters 6.1k views

The best season of Castle is up for debate, and we need fans like you to vote up your favorites so a winner can be crowned. After all, there's a reason why after eight seasons Castle is still going strong. The ABC crime drama stars Nathan Fillion as Richard Castle, a best-selling mystery writer, who, at the beginning of the series, is stuck with writer's block. Castle debuted on ABC in 2009, with many praising the series for its unique characters. It's hard to argue that it isn't an amazing show, but which Castle season is the best? Whether you liked the earlier seasons or the most recent one, vote up your top Castle seasons and downvote any that you felt were a little dry.

Did you know Castle originally aired as a midseason replacement? Who would have thought that in 2016 the series would still be going strong? If you haven't seen the new season of Castle, please know that there are spoilers below.
Castle Season 4 is listed (or ranked) 1 on the list The Best Seasons of Castle
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1 89 VOTES

The fourth season of Castle premiered on September 19, 2011, and contains 23 episodes. This season finds Beckett recovering from her gunshot wounds.

This season features several unforgettable episodes including: "Heroes & Villains," "Dial M for Mayor," and "Always."

Memorable moments:
- Castle and Beckett investigate a murder in a haunted house
- Martha and Castle are held hostage
- Beckett and Castle kiss
74 15
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Castle Season 3 is listed (or ranked) 2 on the list The Best Seasons of Castle
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2 78 VOTES

The third season of Castle premiered on September 20, 2010, and contains 24 episodes. This season finds Beckett struggling with the complicated relationships with the men in her life.

This season features several unforgettable episodes including: "A Deadly Affair," "Almost Famous," and "Knockout."

Memorable moments:
- Beckett arrests Castle
- Nikki Heat goes for a ride along
- Castle tells Beckett that he loves her after she is shot
60 18
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Castle Season 5 is listed (or ranked) 3 on the list The Best Seasons of Castle
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3 70 VOTES

The fifth season of Castle premiered on September 24, 2012, and contains 24 episodes. This season finds Beckett and Castle enjoying a romantic relationship.

This season features several unforgettable episodes including: "After the Storm," "Secret Santa," and "Watershed."

Memorable moments:
- Beckett returns to her job on the force
- Firefly references abound at a science fiction convention
- Castle proposes to Beckett
51 19
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Castle Season 2 is listed (or ranked) 4 on the list The Best Seasons of Castle
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4 66 VOTES

The second season of Castle premiered on September 21, 2009, and contains 24 episodes. This season finds Castle becoming inspired by the work that he and Beckett do.

This season features several unforgettable episodes including: "Deep in Death," "Tick, Tick, Tick..." and "A Deadly Game."

Memorable moments:
- Heat Wave becomes the subject of a movie and a murderer's interest
- Castle and Demming compete for Beckett's attention
- A talk show host is found dead
46 20
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