It's-Bigger-on-the-inside

There’s nothing better than being a Whovian who’s birthday happens to be on the Day Of The Doctor

3

"Look kid, I’m not sure if you’re the actual person that you say that you are, or just a really damn good impersonation of him. But, I know that Sammy had faith in you for some reason…and now that he’s caught up in a very unwanted social call with your King’s crazy bitch of a sister? Yeah, I *really* don’t have the time to stand here and babble to you about what he is to me when his life is on the line.

"Look, you don’t have to go out of your way to help me, or anything. But, all I’m saying is that—well, when *you* finally find someone that you’re willing to sacrifice everyone and everything for, just to make sure that he’s all right and that he’ll make it through another day… then *maybe* you’ll finally understand why finding Sam is my top priority, Merlin.”

"…I understand you, Dean. All too well, I’m afraid. Because you see, I too, have someone that I’m willing to risk everything for. And that is why I’ll do everything within my power to help you save him."

-SuperMerlin AU where Sam is taken captive by Morgana after both Winchesters are transported to Camelot accidentally. In desperation, Dean seeks the help from a rather unlikely source.