Castle and Beckett are at a sci-convention on "The Final Frontier." It's a dream investigation!
Added:
The team face unique challenges when they have to investigate a murder at a sci-fi convention on Castle. "The Final Frontier" is the sixth episode of the show's fifth season.
Added:

Castle Season 5 Episode 6 Quotes

I can't tell you how many times I've had dreams of being on this very ship.

Beckett

You have a Nebula 9 outfit?

Castle

Castle Season 5 Episode 6 Music

  Song Artist
Orchestral manoeuvres in the dark tesla girls Tesla Girls Orchestral Manoeuvres In The Dark iTunes
William shatner ideal woman Ideal Woman William Shatner iTunes
Song So Sexy Radio Free America