The Winchesters Say Their Last Goodbyes in Supernatural Series Finale Teaser

"You do anything for a long period of time, you kinda feel it when it comes to an end."

That's how Jensen Ackles feels about the impending end of Supernatural after 15 seasons. This teaser for the series finale mixes in retrospective footage, behind the scenes comments, and preview shots to whet the appetite of the rabid fans of the Winchester boys.

The series finale of Supernatural airs Thursday, November 19 on The CW.

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Andy Hunsaker has a head full of sitcom gags and nerd-genre lore, and can be followed @AndyHunsaker if you're into that sort of thing.