I don't have any suggestions for that episode, but here are a few wincesty bunker fics:

Under Hill (http://archiveofourown.org/works/894164) by cordelia_gray
Summary: In which the Winchester's lives are only a little bit like a Disney cartoon, and it takes Dean a long time to figure things out.

Clear and simple and plain (http://archiveofourown.org/works/1018788?view_adult=true) by trojie
Summary: After Sam gives up the Trials, things start getting better.

Rough Riders (http://archiveofourown.org/works/813780?view_adult=true) by rivkat
Summary: From two spnkinkmeme prompts seeking a Sam who likes rough sex and a Dean who doesn’t like it nearly as much, but won’t admit that until Sam figures it out.