Supernatural premiered but it only feels like yesterday that a baby-faced Jensen Ackles and Jared Padalecki hopped in the Impala as Dean and Sam Winchester to find their missing father.
In honor of the show's 15th anniversary — which is Sept. 13 — TNT is airing a week-long marathon of fan-favorite episodes. Starting Monday, Sept.
14, the network will air back-to-back episodes so you can relive unforgettable moments like Cas' (Misha Collins) game-changing entrance in the Season 4 premiere and "Swan Song," Season 5's climactic season-ender which could have also served as a series finale had the show not been picked up for another season.
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