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Season guide

Supernatural: Season 4

22 episodes Premiered Sep 18, 2008 Updated Sep 18, 2026

{ "overview": "Season 4 of Supernatural, presented in 22 episodes, carries forward the ongoing saga of the Winchester brothers as they continue their family vocation of hunting the supernatural. Dean Winchester, the older sibling, and his younger brother Sam travel together in their distinctive 1967 Chevrolet Impala, which Dean affectionately calls “Baby,” moving from town to town across the United States. Their mi

Previously on Supernatural

Season 4 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • Supernatural Season 4 continues the overarching saga across 22 episodes.
  • Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.

Season overview

{
"overview": "Season 4 of Supernatural, presented in 22 episodes, carries forward the ongoing saga of the Winchester brothers as they continue their family vocation of hunting the supernatural. Dean Winchester, the older sibling, and his younger brother Sam travel together in their distinctive 1967 Chevrolet Impala, which Dean affectionately calls “Baby,” moving from town to town across the United States. Their mission remains to save ordinary people from dangerous entities while confronting a wide range of paranormal threats. The series blends drama, mystery, and sci‑fi/fantasy elements, and this season maintains that tonal mixture as each episode adds another chapter to the larger narrative. The brothers’ partnership endures, with Dean often assuming the protective role and Sam further developing his own capabilities, both shaped by the consequences of earlier confrontations. Throughout the season the Winchester brothers confront new and recurring monsters, uphold the family business, and navigate the personal and supernatural stakes that have defined the show since its inception. Their actions in this season set the stage for future developments.",
"primer": [
"The series follows brothers Dean and Sam Winchester, hunters of supernatural beings.",
"They travel across America in a 1967 Chevrolet Impala nicknamed “Baby,” reflecting their family hunting business.",
"Earlier seasons established an overarching saga where the brothers save people and confront monsters.",
"Entering season 4, the brothers must continue their partnership, face new paranormal threats, and deal with the consequences of past confrontations

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Season 4 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 4 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 4: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

23%
77%
Mytharc (5): Crucial lore & season climaxes
Core (17): Character development & subplots
Side Quest (0): Standalone / filler
S4·E1 Mytharc

Lazarus Rising

Sep 18, 2008

Dean wakes up in his own coffin. How did he return from the dead? What caused the hand-shaped welt on his shoulder? And what happened in the four months he spent in Hell, time he c

S4·E2 Core

Are You There, God? It's Me, Dean Winchester

Sep 25, 2008

After Dean's encounter with Castiel, Dean, Sam and Bobby brush up on their biblical lore when they're attacked by the vengeful spirits of people from the Winchesters' past. They're

S4·E3 Core

In the Beginning

Oct 2, 2008

Back to the future, Castiel sends Dean to 1973 Lawrence, Kansas, where he meets a nice young couple named John and Mary Winchester. Dean's parents. And Mary has a secret.

S4·E4 Core

Metamorphosis

Oct 9, 2008

Dark powers. Dean fears Sam is using his paranormal gifts in conflict with God's plan. And an ordinary guy in an ordinary town gets a major case of the munchies. It starts with ste

S4·E5 Core

Monster Movie

Oct 16, 2008

In a black-and-white world reminiscent of classic horror flicks, the brothers tangle with a vampire, a werewolf and a mummy who are thinning the crowds at a quaint Oktoberfest.

S4·E6 Core

Yellow Fever

Oct 23, 2008

Hell beckons again when Dean is stricken with a mysterious illness that frightens its sufferers to death. Sam and Dean scramble to find the cause of the disease in time to save Dea

S4·E7 Core

It's the Great Pumpkin, Sam Winchester

Oct 30, 2008

Chomping candy, bobbing for apples. Halloween is such fun. Until gruesome deaths signify another seal is being broken. To stop it, Castiel and another angel plan a mass annihilatio

S4·E8 Core

Wishful Thinking

Nov 6, 2008

Want to score a hot girlfriend, win the lottery or have your favorite teddy bear come to life? Then plunk a coin in a small town's wishing well and stand back. One problem: The wis

S4·E9 Mytharc

I Know What You Did Last Summer

Nov 13, 2008

What happened to Sam during the months Dean was dead? During the search for a girl named Anna Milton, who has a mysterious connection to angels, Sam reveals the astonishing events

S4·E10 Core

Heaven and Hell

Nov 20, 2008

The angels want Anna dead, so Sam and Dean go on the run with the frightened girl, determined to discover the secret that has set the furies of Heaven on her.

S4·E11 Core

Family Remains

Jan 15, 2009

Dad, Mom, two kids and a dog. An all-American family doesn't stand a ghost of a chance against the bloodthirsty force that turns their new home-sweet-home into a haunted house.

S4·E12 Core

Criss Angel Is a Douchebag

Jan 22, 2009

Aging magician The Incredible Jay performs the dangerous Table of Death trick and emerges unscathed. Jay cheated the Grim Reaper, but one of his rivals didn't. He checked out while

S4·E13 Core

After School Special

Jan 29, 2009

Fast times at Truman High. Murder brings Sam and Dean back to one of their old high schools, where they investigate possible demonic possession and take a few trips down memory lan

S4·E14 Core

Sex and Violence

Feb 5, 2009

In a small town in Iowa, three loving husbands kill their wives. Turns out these guys believe in spreading their love around: Each is spending plenty of the family income on stripp

S4·E15 Core

Death Takes a Holiday

Mar 12, 2009

Reapers take a break from work, and that means no one can die. But the escorts to the next world aren't off getting some R&R, unless you call being held hostage by a demon restful

S4·E16 Mytharc

On the Head of a Pin

Mar 19, 2009

Can torture be God's work? After seven angels are mysteriously murdered, Castiel and Uriel demand that Dean use the agony-inducing skills he learned in Hell to extract information

S4·E17 Core

It's a Terrible Life

Mar 26, 2009

At Sandover Bridge & Iron Inc., Dean is Dean Smith, the buttoned-down director of Sales & Marketing. Sam is Sam Wesson, a cubicle-dwelling tech support guy. What the heck is going

S4·E18 Core

The Monster at the End of this Book

Apr 2, 2009

Familiar plot. Familiar characters. Sam and Dean come across a series of graphic novels called "Supernatural" featuring two demon-hunting brothers named Sam and Dean.

S4·E19 Core

Jump the Shark

Apr 23, 2009

Meet the Winchester boys: Dean, Sam and... Adam. The Winchesters discover they have a younger half-brother, whose mother vanishes just as a long-dormant grave robber renews his gho

S4·E20 Core

The Rapture

Apr 30, 2009

The body Castiel walks around in isn't his. Instead, it belongs to a regular guy named Jimmy who wants his body - and his life - back. He gets the body. But the life may be a diffe

S4·E21 Mytharc

When the Levee Breaks

May 7, 2009

Dean and Bobby have something frightening locked in Bobby's panic room: Sam, who is corrupted by demon blood. With the apocalypse drawing nearer, Bobby wants to free Sam to fight o

S4·E22 Mytharc

Lucifer Rising

May 14, 2009

The brothers prepare to fight the forces of the apocalypse in different camps. While Sam and Ruby hunt down Lilith, Dean joins Castiel and Zachariah to take on Lucifer.