Season Four

Season 4 Episode 1 "Lasarus Rising"

Bobby, Sam, and Dean visit an old friend of Bobby's, a psychic, to help them get some answers as to how and why Dean has returned from Hell.

Season 4 Episode 2 "Are You There God? It's Me, Dean Winchester"

Ghosts of children Bobby couldn't save cripple him with guilt and Sam and Dean must save him. However, they must also ignore the spirits of Meg and Agent Hendricksen, who have come back to accuse the brothers of failing them.

Season 4 Episode 3 "In The Beginning"

Dean gets transported back in time and ends up in Lawrence, Kansas, where he crosses paths with a young version of his parents, who have just fallen in love.

Season 4 Episode 4 "Metamorphosis"

Sam and Dean find Jack, who is changing into a Rugaru, a flesh-eating demon that preys on humans. Sam and Dean have a disagreement on how to deal with Jack.

Season 4 Episode 5 "Monster Movies"

Sam and Dean investigate a town plagued with monsters from classic black-and-white horror movies.

Season 4 Episode 6 "Yellow Fever"

Sam and Dean investigate the mysterious deaths of several men who seemingly died of fright. Dean becomes infected with it starting as anxiety then leading to a full-blown terror which ends in death. Sam and Bobby race against time to save Dean.

Season 4 Episode 7 "Its The Great Pimpkin, Sam Winchester"

Sam and Dean meet Castiel and his fellow angel Uriel, who warn the brothers to avoid intervening in a town where a witch is attempting to summon the demon Samhain, opening one of the Seals.

Season 4 Episode 8 "Wishful Thinking"

The Winchesters investigate a town wishing well that really grants wishes... at a terrible cost.

Season 4 Episode 9 "I Know What You Did Last Summer"

Sam, Dean, and Ruby look for Anna who hears the voices of angels. When Ruby seemingly betrays the brothers and leaves with Anna, Sam enlightens Dean on how Ruby saved Sam's life while Dean was in Hell.

Season 4 Episode 10 "Heaven and Hell"

Dean and Sam figure out why Castiel and Uriel want Anna dead. Alastair and his minions try to track down Sam, Dean and Anna.

Season 4 Episode 11 "Family Remains"

Sam and Dean investigate a house occupied by a female ghost, but when a new family moves in things take a turn for the worse.

Season 4 Episode 12 "Criss Angel is a Douchebag"

Sam and Dean are faced with magicians delving in black magic. They investigate after several people wind up dead in ways similar to the illusions the magicians perform on stage.

Season 4 Episode 13 "After School Special"

Sam and Dean investigate a haunting at one of the high schools they attended as teenagers.

Season 4 Episode 14 "Sex and Violence"

A siren casts a spell on men in a small Iowa town, driving them to kill their wives.

Season 4 Episode 15 "Death Takes a Holiday"

Sam and Dean seek help from Pamela, who sends the brothers to the spiritual realm. They discover Alastair attempting to break the seal causing mayhem in the mortal world by stopping death from occurring in a small town.

Season 4 Episode 16 "On the Head Of A Pin"

Someone has killed seven angels, and Castiel and Uriel recruit Dean to interrogate their prisoner, Alastair, to learn who the killer is.

Season 4 Episode 17 "It's A Horrible Life"

Dean and Sam now lead ordinary lives. Dean works in the corporate world at the Sandover Bridge & Iron Company along with Sam who works as a Tech Support. Both have no idea who the other is until their colleagues start killing themselves.

Season 4 Episode 18 "The Monster at the End of This Book"

Sam and Dean come across a series of novels called Supernatural depicting their lives as demon hunters in detail. The brothers meet the author of the comics, Chuck, who explains he has visions of Sam and Dean in action then puts their adventures in his novels.

Season 4 Episode 19 "Jump The Shark"

Sam and Dean are on a hunting trip when they receive a call from an Adam Milligan, who is trying to find John Winchester. They discover that Adam was conceived 19 years ago when his mother fell in love with John Winchester.

Season 4 Episode 20 "The Rapture"

Dean has a dream about Castiel asking to meet him in private. Sam and Dean are shocked to discover Castiel's human host, Jimmy, is back in control. Jimmy wants his life back but Sam and Dean believe he is in danger.

Season 4 Episode 21 "When The Levee Breaks"

Sam is locked in Bobby's panic room to cleanse his body from demon blood. However, after several seals are broken Bobby wants to set Sam free to help stop the Apocalypse and Dean seeks out Castiel for help.

Season 4 Episode 22 "Lucifer Rising"

As the Apocalypse approaches, Castiel and Zachariah inform Dean that his moment of glory draws nigh. Sam, disagreeing, goes with Ruby to take on Lilith.