because that is how you get talking cats inserted into your favorite show,
Either that, or Andrew Dabb has been has been lurking around spn_bigpretzel and all of those YEK posts.
I found the rest the episode amusing.Of course, I was raised watching all of those Looney Tunes. And it was great to see
Also, while I have read some about the fact that this season being all about perception (and we saw that last week with Dean and Cas), and that there is the possibility of some of Sam's flashback may not be what they seem, I began to see more of that this episode. They must of referred to living in a dream world two or three times and it made me wonder how much of Sam's flashbacks could be a dream world. I think I have more thoughts on that, but I am too tired.