That's very true, Matt. Good analogy. Also, the actors often don't see the episodes until well after the air date, if they watch them at all.
I liked Cassie. I thought she and Dean made a pretty couple. I just wanted the actress to, you know, act. Now Sarah, in Provenance, I liked a lot, and I thought she and Sam had really good chemistry. I'd like to see her back again.
I need to rewatch Provenance, anyway. Steve Carlson wrote a song for that episode (it plays in the restaurant scene). And also, when the guys and Sarah go to the old lady's house to retrieve the painting, there's a scene where Dean is comparing the photo of the painting with the actual painting, and he says, "Jared, check it out,". Heh.