10 Scariest Supernatural Episodes Ever Made

10. No Rest For The Wicked (Season 3, Episode 16)

Within the first three seasons of the series, viewers got to see both protagonists die. It's a trend that has grown into a staple of the show.

In the Season 3 finale, Dean's day of reckoning is almost here and the boys are left with one final chance to save his soul from an eternity in Hell. Things don't go as planned however, and everyone's favorite monster hunting bad boy ends up a bloody mess.

'No Rest For The Wicked' is painful to see play out. Fans came to love both brothers over the course of three seasons. Having to watch one of them get savagely brutalized while the other is rendered powerless to do anything is just plain heart-wrenching. The Hell Hounds tear Dean apart like he's made of paper as Lilith gleefully immobilizes Sam, cementing them both as two of Supernatural's most ferocious enemies.

While Dean dies several times through the series, the difference between this death and those later is the inevitability of it all. It's this idea of fighting tooth and nail until the bitter end, but still changing nothing that is so horrifying to think about.

Few episodes in the series come close to delivering a harder emotional gut punch.