"Okay, sure, su--holy shit!" Chuck looks back in there to face Sam, and nearly jumps out of his skin. His voice lowers as he leans in. "Sam?! You're -- no way. We all thought you were -- we haven't -- " He looks at Dean, looks at Sam, looks at Dean. "What, was he just in the road with his thumb out or what??"

"I was... staying in an apartment for shelter; we ran into each other. Hey, Chuck."

Sam smiles thinly, softly, and Chuck smiles back. There's relief, but then --

"Holyyyy crap, you're, uh. You're covered in blood, man..."