This is a pretty cool shot of Dean. The hunter is back in the 1940s on the episode "Time After Time After Time."
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It's back to 1944 for Dean on this episode of Supernatural. It's titled "Time After Time After Time."
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Supernatural Season 7 Episode 12 Quotes

You gonna look at more anime or are you strictly into Dick now.

Sam

Sam: I can't believe I'm about to say this but, I hope your watching cartoon smut because reading Dick Roman crap over and over again is just self punishment.
Dean: It's called anime. And it's an art form.