Supernatural All Seasons 1- 2- 3- 4- 5- 6- 7- 8- 9

[The Yellow-Eyed Demon] ---> [Mary Winchester's Death] ---> [John Goes Missing] ---> [The Brothers Reunite] Core Plot Line

Dean faces his mortality with reckless bravado, while Sam grows increasingly dark and desperate.

Dean escapes Purgatory with the help of a vampire named Benny. He reunites with Sam, who had abandoned hunting to live a quiet life. They discover a tablet that details three trials required to permanently close the Gates of Hell. Sam undertakes the trials, which slowly destroy his physical body from the inside out. Major Milestones

Season 9 deals with the direct aftermath of the angels falling to Earth and the power vacuums left in both cosmic realms. Supernatural all seasons 1- 2- 3- 4- 5- 6- 7- 8- 9

The iconic trench-coat-wearing angel changes the dynamic of the series forever.

Season 13 sees Sam and Dean facing off against a new enemy: the Shomeh. The season also explores the show's mythology, including the introduction of the Lucifer's vessel.

The Road So Far: A Complete Guide to Supernatural Seasons 1–9 [The Yellow-Eyed Demon] ---> [Mary Winchester's Death] --->

Sam wrestles with his desire for a normal life versus his destiny as a hunter, especially after his girlfriend Jessica is murdered in the pilot. Dean acts as the loyal soldier, fiercely protective of his family and the Impala. Season 2: The Soldier and the Chosen One

Metatron tricks Castiel into helping him with what he claims are "Angel Trials" to fix Heaven. In reality, Metatron casts a spell that strips all angels of their grace, causing them to literally rain down from the sky, entirely human and trapped on Earth. Dean stops Sam from completing the final Hell trial at the last second to save his life. Season 9: Fallen Angels and the Mark of Cain

Season 3: The Race Against Hell and the Breaking of the Colt They discover a tablet that details three trials

Season 9 picks up immediately after Sam's decision to stop the trials. As a result of their failure to seal Hell, the spells recoil, causing every angel in Heaven to fall from the sky, landing on Earth as weakened, confused, and angry human-like beings. This "Angel Fall" is a brilliant premise, scattering thousands of celestial beings across the globe.

The trust between Sam and Dean is completely broken once Sam discovers Dean's deception regarding his possession. Dean’s psyche is slowly corrupted by the aggressive influence of the Mark of Cain. The season closes with a shocking twist: Metatron kills Dean, but the Mark of Cain resurrects him as a demon. Summary of the Winchester Evolution (Seasons 1–9) Main Villain / Threat Major Cosmic Event Status of the Brothers Azazel (Yellow Eyes) The hunt begins Reunited but distrustful 2 Azazel / Special Children Opening of the Devil's Gate Co-dependent; Dean's deal 3 Dean’s countdown to Hell Desperate; Dean dies 4 Lilith / Ruby Breaking of the 66 Seals Fractured; Lucifer freed 5 The Apocalypse United; Sam enters the Cage 6 Eve / Crowley & Castiel Civil War in Heaven Soulless Sam; Dean returns to hunt 7 Dick Roman / Leviathans The loss of Bobby Singer Isolated; Dean sent to Purgatory 8 Crowley / Metatron The Trials to close Hell Inherited Bunker; Angels fall 9 Metatron / Abaddon Angel War on Earth Bitter rift; Dean becomes a demon

– Dean is resurrected from Hell by the angel Castiel. The brothers learn that demons are breaking 66 seals to free Lucifer from his cage.

The fallout of the angels' fall dictates the narrative of Season 9. Heaven is closed, Hell is in a power struggle, and the Earth is crawling with displaced, angry celestial beings. Key Storylines