Castiel and Dean try to diagnose Sam in this clip from "Family Matters." They aren't optimistic about his chances once they hear he hasn't been sleeping. At all.
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Against his better judgment, Dean gets convinced to accompany Sam on a hunting trip this week. Get a look at how it goes in this preview for "Family Matters."
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Supernatural Season 6 Episode 7 Quotes

If the old man's Kermit, whose hand's up his ass?

Dean

Gramps threw a barbeque and left us off the e-vite list?

Dean