Sam and Dean are transported to an alternate universe on the Supernatural episode "The French Mistake." They take on the personas of Jared Padalecki and Jensen Ackles there.
Sam, Dean and Castiel are seen here on the episode "The French Mistake." It's an unusual installment of Supernatural.
This is all very strange. On "The French Mistake," Sam and Dean become actors named Jensen Ackles and Jared Padalecki.

Supernatural Season 6 Episode 15 Quotes

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


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.