15th and final season on Thursday, and stars and, among other familiar faces from the past and present, took to social media to commemorate the bittersweet day.Padalecki shared an emotional message on Instagram right before heading to set, alongside a photo of himself giving a thumbs up in the car.«I write this as I head to my last day of #Supernatural.
My last day with #SamWinchester,» the 38-year-old actor wrote Thursday afternoon. «Obviously, my head is spinning and my emotions are stratospheric, but there’s still a bit of time left on the clock.»«Thank y’all SO MUCH for the incredible amount of love and support that’s been headed our way, in these final hours.
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