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Watch Castle Season 6 Episode 23 to see how Kate and Rick's wedding day didn't go as planned.

Watch Castle Season 6 Episode 23 online via TV Fanatic with over 8 options to watch the Castle S6E23 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, Google Play, Xfinity, Hulu Plus, Hulu, and ABC.

Rating: 3.4 / 5.0 (242 Votes)

Episode Details

Castle Season 6 Episode 23: "For Better or Worse"

As Rick and Kate's wedding day draws near, a shocking event sends them on a wild run that threatens to ruin their day on the season finale of Castle.

Castle Season 6 Episode 23 Quotes

You can't give up. That's the deal. We want the happy ending, we can't give up.


What's a great love story without obstacles to overcome? Every fairy tale has them.


Castle Season 6 Episode 23 Music

  Song Artist
Song All I Could Think About Was You Robert Duncan
The-band-of-strangers-bait-n-pole Bait n' Pole The Band of Strangers iTunes
Antonio-vivaldi-spring Spring Antonio Vivaldi iTunes
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