If you binge Seasons 1-4 immediately before Season 5, the emotional payoff in Swan Song will destroy you (in a good way).

Season 5 of Supernatural is widely celebrated as the show's creative peak, originally intended by creator to be the series finale. It concludes a massive five-year story arc involving the ultimate battle between Heaven and Hell. Core Premise & Story Arc

A brilliant, hilarious meta-episode where the Trickster (Gabriel) traps Sam and Dean in various TV show parodies.

Arguably one of the greatest episodes of television ever made. Dean is thrown five years into the future to see what happens if he says "no" to Michael. We meet a feral, croc-wearing Sam who has given in to Lucifer. The image of a post-apocalyptic Detroit and Jensen Ackles’ performance as a broken Dean is haunting.

When searching for , you have options.