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  • ibana

    Nathan Fillion on Castle from "The Final Frontier".

  • Donna Park

    More promotional photos from 'Castle' season 5 episode 6, "The Final Frontier," offering a look at Nebula-9.

  • JanetD

    Episode 506: The Final Frontier

  • Tiffany Warner

    "The Final Frontier" ('Castle') Firefly and other fandom references

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Firefly - Zoe "She has the advantage over us."... Mal "Everyone always does. That's what makes us special."

Firefly, Doctor Who, and Torchwood; I don't think just anyone can pull it off.

Good lord, in the thumbnail it looked like Mal was standing in front of the TARDIS...

Instead of these Keep Calm posters that are starting to get on my nerves a little.Firefly

I do love me some Captain Jack, but Malcolm Reynolds takes the cake every time.

"If you can't do something smart, do something right." Castle is not enough, i want Firefly back.

and this is why the sherlock fandom could either rule the world or end it…. (link to original post)

Three different fandoms would flip out if this ever happened.<--I would explode, seeing as I am a Superwholockian.

GIF this fandom is getting out of control... Cannot. Stop. Laughing.<-- we've always been in control of ourselves but we've decided to let a bit of crazy out....