| # | Title | Original Airdate | Supernatural Legend |
|
| 61 (4.01) | "Lazarus Rising[4]" | September 18, 2008[4] | Angels/Demons/Psychic |
| It's four months later and Dean wakes in a pine box. He's been freed from Hell. He has a joyful reunion with Sam and Bobby, but it isn't long before the three wonder what exactly pulled Dean from Hell and what it will want in return. After long searching, Dean and Bobby find out that an angel named Castiel pulled Dean out of Hell because God has work for Dean. |
| 62 (4.02) | "Are You There God? It's Me, Dean Winchester[4]" | September 25, 2008[4] | Vengeful Spirits/The Rising Of The Witnesses |
| Sam and Dean are stunned when the spirits of Meg, Agent Henricksen, and a that of a man they couldn't save appear and accuse the Winchesters of failing them. Although rattled, the brothers must pull together to save Bobby, who is too crippled with guilt to fight off the angry ghosts of the young children he couldn't save. Castiel tells Dean that Lilith released the vengeful spirits and that she intends to break 66 seals to free Lucifier so he can bring about the Apocalypse. Castiel tells Dean to start showing him some respect because he pulled Dean out of Hell and he can put him right back in. |
| 63 (4.03) | "In the Beginning[4]" | October 2, 2008 | The Yellow-Eyed Demon (Azazel)/Time Travel |
| Dean is transported back in time and is shocked when he lands in Lawrence, Kansas. However, that shock turns to amazement after he runs into a young John Winchester and Mary who have just fallen in love. Castiel informs Dean that he must "stop it", but Dean has other concerns when Azazel is apparently making deals in the area. Mitch Pileggi guest stars as Mary's father, Samuel. Dean also finds out why Azazel came after his family years ago. It's because Mary made a deal with the yellow eyed demon in exchange for John's life. Mary's mom's name was Deana and the dad's name was Samuel. Sam and Dean were named after them. Samuel was killed by the yellow eyed demon and then possesed by him. Deana died trying to kill Azazel and save Dean's life. Dean couldn't stop it because Mary already made the deal by the time he got away from Azazel. |
| 64 (4.04) | "Metamorphosis[4]" | October 9, 2008 | Rougarou |
| Sam and Dean find a man called Jack, who's becoming a Rougarou, a creature which turns from human into a monster that eats human flesh. Sam believes that Jack can learn to control himself, but Dean thinks that the only thing to do is shoot him dead. Dean also discovers Sam is using his psychic powers under Ruby's guidance. Jack eats a hunter but only to protect his pregnant wife which the hunter threatened to kill. Jack's wife is disgusted and scared at what her husband has become and yells at him and runs away. Later Sam and Dean show up and kill Jack.[4] |
| 65 (4.05) | "Monster Movie[4]" | October 16, 2008 | Shapeshifter |
| Dean and Sam investigate several murders at Oktoberfest. The first victim was found with bite marks on her neck, much like a vampire would leave, while the second victim has wounds that look like a werewolf attack. After a mummy rises from his crypt, Dean determines that a shape-shifter is terrorizing the town as iconic monsters from the old Hollywood movies. This episode is filmed in black and white.[4] |
| 66 (4.06) | "Yellow Fever[4]" | October 23, 2008 | Buruburu/Ghost Sickness |
| Sam and Dean investigate the mysterious deaths of several men who apparently dropped dead of fright. They visit one of the victims in the morgue, and Dean becomes infected with the illness which starts as a general anxiety, then moves on to full-blown terror that eventually stops the heart. Sam and Bobby must find the root of the disease before Dean dies and is sent back to Hell. They soon find out that it is ghost sickness and to get that away Sam and Bobby summon the ghost and kill it the way it died as a human. That is to scare it to death. [4] |
| 67 (4.07) | "It's the Great Pumpkin, Sam Winchester" | October 30, 2008 | Samhain/Angels/Witches/Ghost/Zombies |
| It's a few days before Halloween and Sam and Dean investigate two mysterious deaths in a small town. The brothers find hex bags and deduce a witch is sacrificing people to summon a dangerous demon named Samhain. Castiel arrives in town and tells Sam and Dean the freeing of Samhain is one of the Seals that will lead to freeing Lucifer, so Castiel has brought a specialist angel named Uriel to smite the entire town. Sam and Dean say that they can't and intend to take care of it, but later they find out that the seal is broken. To kill Samhain Sam uses his physic ability to send him back to hell. [4] |
| 68 (4.08) | "Wishful Thinking" | November 6, 2008 | Cursed Coin/Wishing Well/Tiamat |
| Sam and Dean investigate the small town of Concrete, Washington, where the wishing well really works. A teddy bear comes to life, someone wins the lottery, a teenager can become invisible, a bullied kid gets super-strength, and the town geek gets a hot girlfriend. The brothers realize that while every wish is granted, the results are all messed up, the result of the wishes being granted by a coin made by the cult of the Babylonian god of chaos, Tiamat.[4] |
| 69 (4.09) | "I Know What You Did Last Summer" | November 13, 2008 | Angels/Demons |
| Ruby tells Sam and Dean that a powerful demon named Alastair is searching for a girl named Anna who can hear the angels' conversations. The three set out to find Anna but once they do, Alastair attacks them and Ruby escapes with the girl. Believing they were set up, Dean lashes out at Sam for trusting Ruby, so Sam tells him what happened during those months Dean was in Hell and how Ruby saved his life and become his love interest at a moment of weakness. Castiel and Uriel return and demand to be taken to Anna but not for the reason Dean thinks. They want her for something that she is.[4] |
| 70 (4.10) | "Heaven and Hell" | November 20, 2008 | Angels/Demons |
| Sam and Dean finally understand why Castiel and Uriel want Anna dead. it's because she is an angel that disobeyed and became a mortal. However, they disagree with the angels' orders and try to help Anna restore an important part of her past so she can be saved. Meanwhile, Alastair and his demons continue to close in to the brothers.This turns into a big fight when the angels and the demons are caught in the same room when both Ruby and Dean drag them there. This fight leads Uriel to take down two different demons. When Castiel tries to exorcise Alastir he learns that he is powerless. Alastir almost sends Castiel back to heaven when Dean interupts the exorcism by bashing Alastir with a metal pole. The episode ends where during the fight Anna steals back her innocence and becomes an angel again. [4] |
| 71 (4.11) | "Family Remains" | January 15, 2009 | None (Feral children) |
| Sam and Dean investigate the supposed appearance of a young female ghost in an abandoned house, but things become more complicated when a family moves in. The brothers fail to get the family to leave, but when the son is kidnapped through the walls, they look to Sam and Dean to rescue the boy. They soon find out that ghosts never invaded the house, but humans. These humans aren't exactly humans at all. This makes Dean recall the time he tortured souls in hell.[11] |
| 72 (4.12) | "Criss Angel Is a Douchebag[13]" | January 22, 2009 | Black Magic/Tarot Cards |
| A mysterious death draws Sam and Dean to a town full of old-school stage magicians. Their investigation leads them to Charlie, Jay and Vernon, three friends who were famous magicians in their day but have now been replaced by flashier, younger magicians. One of them has made a deal to acquire real magical powers, but the price was extremely high. Sam and Dean must figure out a way to reverse the spell before others are harmed.[11] |
| 73 (4.13) | "After School Special" | January 29, 2009 | Vengeful Spirit/Possession |
| Sam and Dean go undercover to investigate a string of murders at their old high school. The case causes them to flashback to their time there recalling how Sam was picked on by the school bully while Dean was Mr. Popular. They find out that the ghost is the bully and Sam and Dean burn the strand of his hair to kill him.[11] |
| 74 (4.14) | "Sex and Violence" | February 5, 2009 | Siren |
| Sam and Dean enter a small town in Iowa, where three men have inexplicably beaten their wives to death. The guys realize that behind the murders is a Siren, a creature that can take different forms and desperately needs love and compels people to destroy themselves as a show of devotion. The Siren eventually puts Sam and Dean under its spell and pits the two brothers against each other in a fight to the death. When Dean almost kills Sam Bobby interferes taking Dean's tainted blood to kill the Siren. [11] |
| 75 (4.15) | "Death Takes a Holiday[17]" | March 12, 2009 | Reapers/Demons/Angels |
| Sam and Dean investigate a small town where people are cheating death. They discover the Reapers have gone missing so they turn to Pamela for help. She sends them into the spiritual world to find answers and they come face to face with Alastair, who has been kidnapping all the Reapers in order to break another seal. Pamela is killed by a demon.[16] Alexander Gould guest stars in this episode. |
| 76 (4.16) | "On the Head of a Pin[17]" | March 19, 2009 | Angels/Alastair |
| Someone is killing angels and Castiel and Uriel ask Dean to use the torturing skills he learned in Hell to extract information from Alastair so they can stop the murders. Sam is concerned Dean can’t handle the job but Dean agrees to do it. Sam is shown drinking Ruby's blood to make himself a stronger exorcist. Alastair reveals that making Dean agree to torture people was the very first act that had to take place in order for the first seal to be broken, and render the rest of the seals breakable. Dean becomes murderous with rage and as he is about to finish Alastir off, he escapes the seal and beats Dean up. Seeing this Castiel enters the room where he is beaten up as well. As Alastir is about to send Castiel back to heaven Sam pulls Alastir away from Castiel and orders him to tell the truth about who is killing the angels. Alastir replies with rage that he doesn't know and laughs as he says "Go on, send me back to hell if you can". Sam laughs a him and replies that he is now more powerful and can kill demons. At this point Sam kills Alastir like he was nothing. Castiel is shocked. As Castiel searches for the truth about who killed the angels Uriel approaches behind him and asks him to join his rebellion to free Lucifer. When Castiel disagrees Uriel takes out the knife that was used to kill the angels and replied that "No demon can kill an angel except for an angel". This made it clear that Uriel was killing the angels and Castiel and Uriel beagn to fight. At the point where Castiel is almost killed Anna(the angel who came to Earth as a mortal) appears and stabs Uriel with the knife at the back. In the end it is said that only Dean can stop Lucifer from getting released because "He who stare can be the only one to end it". |
| 77 (4.17) | "It's a Terrible Life[19]" | March 26, 2009 | Vengeful Spirit/Angels |
| Inexplicably, the Winchesters have become "Dean Smith," who works as a business executive, and "Sam Wesson," who is in Tech Support. Neither remembers their lives as the Winchester brothers, but after co-workers start committing suicide and Dean sees a ghost in a mirror, the boys find themselves working together to solve the murders and perform with a brief stint fighting the supernatural. Dean discovers his boss - really an angel named Zachariah - had temporarily replaced his and Sam's memories in order to prove to Dean he's destined to save the world, as opposed to having an average life. When Dean doesn't accept the job offer offered to him by his boss, he is touched on his head where all his memories come back. Dean asks the boss of the company who he is. The boss replies that he is an angel and was testing Dean to make sure that he was certain that he can stop the release of Lucifer. |
| 78 (4.18) | "The Monster At the End of This Book[20]" | April 2, 2009 | Prophet/Lilith/Angels |
Sam and Dean are shocked to discover a series of books entitled "Supernatural" that accurately detail their lives as demon hunters. They confront the oblivious author (a brazen and young man by the name of Chuck Shirley) who, it turns out, is a prophet of the Lord. Chuck describes an encounter Sam will soon have with Lilith, and while Dean wants to avoid her, Sam wants to face her. Castiel tells Dean that prophecies can't be averted, while the boys alternately prepare for and try to avoid their fates, but Dean learns that if a prophet were to be in the same room as an demon a battle would take place. Dean was puzzled by this, but Castiel made it clear that prophets are protected by archangels(the most fiercest weapon of heaven). Dean thanks Castiel and takes Chuck to their motel room where they find Sam and Lilith. Dean warns Lilith about the archangel and Lilith escapes.
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