Dean reaches over to pat Castiel's leg. "It's okay. We'll get it."

They just need to stop at the nearest Wal-Mart and stock up on cleaning supplies first.

An hour later, the trunk is full of assorted cleaning fluids, a pair of herbicide sprayers and a crowbar. Just in case. Hands tight on the wheel, Dean doesn't look at Cas as he drives them further out of town. "It still following us or can you tell?"