“In My Time of Dying” - Two brothers witness their mother's paranormal death and are trained to fight by their father, who aims to hunt down the thing that killed his wife.
“Everybody Loves a Clown” - Sam and Dean follow the coordinates in their father's journal and land in Colorado, where they investigate the disappearance of several campers.
“Bloodlust” - Sam and Dean encounter Gordon, a fellow demon hunter who has been systematically killing vampires in a small town.
“Children Shouldn’t Play with Dead Things” - Dean and Sam investigate the murder of a college student who has come back from the dead seeking revenge on those who mistreated her.
“Simon Said” - Sam and Dean meet Andy, a slacker who has psychic powers of persuasion that he uses to gain favors from people.
“No Exit” - Sam and Dean investigate the brutal slayings of blonde women from the same apartment building.
“The Usual Suspects” - Sam and Dean investigate the murder of a lawyer and his wife. Right before they died, they claimed they'd seen a ghost.
“Crossroad Blues” - When two highly successful professionals die after claiming to be haunted by hellhounds, Sam and Dean investigate a local bar.
“Croatoan” - When two highly successful professionals die after claiming to be haunted by hellhounds, Sam and Dean investigate a local bar.
“Hunted” - After Dean tells Sam what their father told him before he died, the distraught Sam sneaks off to Indiana alone.
“Playthings” - Sam and Dean investigate two strange deaths at a small Connecticut inn run by a single mom whose young daughter plays with an imaginary friend.
“Night Shifter” - Sam and Dean investigate a string of robberies with a disturbing pattern.
“Houses of the Holy” - Sam and Dean investigate the murders of several people by individuals who claim they were visited by an angel and were carrying out God's will.
“Born Under a Bad Sign” - After receiving a frantic call from Sam, who has been missing for more than a week, Dean races to his brother's side.
“Tall Tales” - Sam and Dean call on their friend Bobby for help after they are stumped by violent and inexplicable happenings on a local college campus.
“Roadkill” - While driving down a deserted road, Sam and Dean are startled when a bloody woman runs in front of the Impala, screaming for help.
“Heart” - While investigating the death of a lawyer who appeared to have been killed by a wild animal, Sam and Dean realize they are tracking a werewolf.
“Hollywood Babylon” - Sam and Dean travel to Hollywood to investigate the death of an actor on a horror film set after rumors spread that he was killed by a ghost.
“Folsom Prison Blues” - After hearing about a ghost that has been killing off prison inmates one by one, Sam and Dean decide the best way to investigate is from the inside.
What Is and What Should Never Be” - While hunting a djinn, or genie, Dean is attacked and transported to an alternate world.
“All Hell Breaks Loose: Part 1” - Sam is abducted by the yellow-eyed demon and finds himself in a ghost town with children who have special abilities.
“All Hell Breaks Loose: Part 2” - While dealing with the aftermath of the fight between Sam and Jake, Dean pays a steep price for his involvement.