San and Dean get sent to an alternate universe on "The French Mistake." Where do they end up? On the set of a TV show titled "Supernatural."
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Get an early look now at "The French Mistake," an unusual, meta episode of Supernatural. What do we mean? Watch now.
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Supernatural Season 6 Episode 15 Quotes

I'm not wearing any makeup. Oh crap. I'm a painted whore.

Dean

Producer: Well, we can clean up, reset the window. Takes about 95 minutes, basically, so we have to blow off the scene where they sit on the Impala and talk about their feelings.
Bob Singer: Ha! Right. You answer the hate mail.