Every ‘Supernatural’ Season, Ranked By IMDb Score

When it comes to demon hunting, family drama, and an absolutely killer soundtrack, there's nothing quite like Supernatural. For 15 seasons, we watched the Winchester brothers battle everything from your average demons to angels and God himself. But the real question is: which season is the best?

While IMDb doesn't directly rank seasons, we've done some math to bring you the ultimate Supernatural season ranking. Ready to see if your favorite made the top spot?

15. Season 15

IMDb score: 7.9/10.

The final chapter of the Winchester saga brought our demon-hunting brothers face-to-face with God himself. After discovering their entire lives were manipulated for some entertainment, Sam and Dean make their final stand for free will.

What worked: the weight of final goodbyes made the season very emotional.

14. Season 12

IMDb score: 8.1/10.

After over three decades of being dead, Mary Winchester's shocking return flipped the Winchester family dynamic on its head. Meanwhile, the British Men of Letters arrived with their clinical approach to monster hunting.

What worked: the fresh family dynamics created by Mary's return and the Tarantino-inspired episode “Stuck in the Middle (With You).”

13. Season 9

IMDb score: 8.1/10.

This season explored the darker side of brotherly love, examining how far is too far when saving someone you care about. Meanwhile, Castiel adjusted to human life.

What worked: the exploration of the consequences of Dean's decision and the introduction of the Mark of Cain storyline.

12. Season 1

IMDb score: 8.2/10.

The one that started it all. This season established the monster-of-the-week format while developing the overarching mythology that would drive the series.

What worked: the raw tone, the introduction of iconic characters and the perfect establishment of the brothers' relationship.

11. Season 14

IMDb score: 8.2/10.

With Dean possessed by the archangel Michael and later dealing with the consequences, this season explored Jack's struggle with his diminishing powers. The 300th episode "Lebanon" brought John Winchester back for an emotional family reunion.

What worked: Jensen Ackles' performance as both Dean and Michael as well as the groundwork laid for the final season.

10. Season 8

IMDb score: 8.2/10.

After a year apart, the brothers reunite to face the challenge of closing the gates of Hell forever. The introduction of the Men of Letters legacy changes everything the Winchesters thought they knew.

What worked: Dean's intense Purgatory storyline, and the emotional trials to close Hell.

9. Season 10

IMDb score: 8.2/10

The Winchester brothers deal with the Mark of Cain's impact on Dean, who struggles with his growing bloodlust and transformation into a demon. Sam's desperate efforts to save his brother lead to unforeseen consequences.

What worked: Dean's demon arc and Crowley's complex relationship with demon Dean.

8. Season 7

IMDb score: 8.3/10.

After defeating one seemingly unstoppable force, the Winchesters face the ancient Leviathans released from Purgatory.

What worked: Sam and Dean must overcome their greatest challenges yet while battling one of their most organized enemies.

7. Season 13

IMDb score: 8.3/10.

Following the birth of Lucifer's son Jack, and the losses of Castiel, Crowley and Mary, the Winchesters deal with an apocalyptic alternate world.

What worked: the alternate universe exploration, and the perfect execution of the Scooby-Doo crossover episode.

6. Season 6

IMDb score: 8.4/10.

Sam returns from the cage without his soul, while Dean attempts to live a normal life. Meanwhile, Castiel's civil war in Heaven leads to questionable choices, and Crowley searches for the entrance to Purgatory.

What worked: the soulless Sam storyline and Castiel's moral dilemma.

5. Season 11

IMDb score: 8.5/10.

The Darkness is unleashed upon the world. The Winchesters must ally with Crowley, Rowena, and even Lucifer to fight this primordial entity that even God fears.

What worked: God's proper introduction as Chuck.

4. Season 3

IMDb score: 8.5/10.

This season follows Dean's desperate final year after selling his soul to save Sam. While trying to escape his hellish contract, the brothers also face a new adversary in the demon Ruby and a mysterious new character, Bela Talbot.

What worked: the emotional urgency of Dean's deal coming due.

3. Season 4

IMDb score: 8.6/10.

Dean returns from Hell, rescued by the angel Castiel as Heaven and Hell prepare for the apocalypse.

What worked: this season dramatically expanded the show's mythology with the introduction of angels.

2. Season 2

IMDb score: 8.6/10.

This season deepens the show's mythology while balancing excellent standalone episodes and introducing beloved characters like Ellen, Jo and Ash.

What worked: the perfect development of the Yellow-Eyed Demon storyline.

1. Season 5

IMDb score: 8.8/10.

Considered by many Supernatural fans to be the show's finest season, this was the culmination of creator Eric Kripke's original five-year plan.

What worked: the perfect balance of apocalyptic stakes with intimate character moments.