Sam Winchester’s getting wild! “Supernatural” star Jared Padalecki celebrated his 35th birthday on Wednesday’s Comic-Con-themed episode of “Conan”alongside his co-star Jensen Ackles.

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Ackles brought out a birthday surprise for the “Gilmore Girls” alum, wheeling a keg onto the stage.

“When the show first started, we used to sneak kegs into each other’s trailers,” Ackles explained.

“When we were done filming!” Padalecki insisted.

Ackles then urged Padalecki to do a keg stand saying, “Only if you’re in a fraternity is it ok to do, or if you’re on the “Conan” O’Brien show.