(season 1 episode 1) pilot
Sam, a soon-to-be college graduate, has an interview set up to attend one of the most prestigious law schools in the country. His brother Dean, whom he has not seen in several years, unexpectedly shows up in the middle of the night to tell him that their father went missing while on a hunting trip. Leaving his girlfriend behind to find their dad, Sam joins Dean in order to find their father in Jericho, a small town where unmarried men have disappeared without a trace.
(season 1 episode 2) Wendigo
Sam and Dean head to Colorado to find the coordinates that their father left in his journal. There, they pose as park rangers to investigate the disappearance of campers. They soon discover that they’re up against a Wendigo, a mythical creature from Native American folklore.
(season 1 episode 3) Dead In The Water
Dean comes across an article in the newspaper about a mysterious drowning. Sam and Dean soon find that several people have drowned in the same lake, but bodies were never found, leading the brothers to believe that a spirit is haunting the lake.
(season 1 episode 4) Phantom Traveler
Sam and Dean meet a flight attendant who was aboard a plane that crashed with mysterious circumstances. They soon figure out her connection to the crash, but not until they are on board a flight with the woman.
(season 1 episode 5) Bloody Mary
Sam and Dean hear about a man who died of a stroke while in front of a mirror. After visiting the family and interviewing the members, the brothers are led to believe that Bloody Mary may have caused the man’s death.
(season 1 episode 6) Skin
One of Sam’s friends, Zach, is accused of murder, and Sam offers to help him by checking up on his younger sister, Rebecca. While visiting her, Rebecca convinces the brothers that Zach didn’t commit the murder because he was with him when the murder happened. But could Zach be in two places at the same time?
(season 1 episode 7) Hook Man
The brothers come across a girl whose boyfriend fell victim of the Hook Man. It’s up to Sam and Dean to destroy the ghost’s bones before she and her father become victims as well.
(season 1 episode 
Bugs
A construction worker is killed when insects burrow themselves into his brain. Sam and Dean research the history of the town and find that a new housing development is being constructed on a sacred tract of Indian land. The land was put under a curse when the reservation had been destroyed. Now, it’s up to the brothers to reverse the curse and kill the swarms of bees, locusts, spiders and beetles.
(season 1 episode 9) Home
Sam continues to have haunting dreams and convinces Dean to return home for the first time. There, the brothers have to deal with painful memories, but their feelings are put on hold when the current residents experience the same phenomena that Sam had dreamed about. But before they can stop what’s happening now, Sam and Dean have to face their mother’s death first.
(season 1 episode 10) Asylum
Sam and Dean travel to an abandoned sanitarium where they find that the patients once revolted against cruel and unusual punishments given to them by the head doctor. The brothers search the area for lost college students, but the spirits make them go insane, and end up turning Sam against Dean.
