Supernatural Season 5 Episode 11: Sam, Interrupted

When a former hunter calls Sam and Dean for help from inside a mental institution, the brothers get themselves admitted as patients to check out his claims of supernatural phenomena. When their incarceration pushes them both to the breaking point their personal issues send them over the edge.

Supernatural Season 2 Episode 3: BloodLust

The Winchester brothers enjoy Dean's new baby: a shiny newly restored car, while checking out a report of two recent human deaths and over a dozen split-open cows in the small town of Red Lodge, Montana. The local sheriff laughs at Sam and Dean's idea that a cult is behind it, claiming it happens naturally in the sun. But when Sam and Dean sneak into the morgue under false pretenses, they find a victim that has retractable vampire fangs. They catch black demon hunter Gordon Walker, who claims to be a friend of their late father and having made both kills after six months of vampire chasing started years before to avenge his sister who was killed by a vampire. Dean confesses to him he misses his seemingly unstoppable dad desperately. The boys are just in time to save Gordon from another vampire, but Ellen Harvelle warns Sam that Gordon is capable, but too dangerous to work with. Returning to the motel, Sam is knocked down and kidnapped by the vampires led by Eli and Lenore, who claim their kind feeds on only cows. Being released unharmed, Sam believes them, but feels Dean's fist for forsaking their mission and suggesting Dean joins Gordon as a poor substitute for father. Then Gordon goes after the nest alone, anyway...

Supernatural Season 2 Episode 2: Everybody Loves a Clown

Sam and Dean listen to a message on John's cell phone from a woman named Ellen (guest star Samantha Ferris)and decide to track her down. They are shocked to discover Ellen runs a road house that also serves as a gathering place for hunters like themselves. Meanwhile, at a small town carnival, a demonic clown is persuading children to let them into their home so he can murder their parents.

Supernatural Season 2 Episode 1: In My Time of Dying

In the aftermath of the car crash, the surviving Winchesters go to the hospital, where one is stalked by a Reaper while another must consider sacrificing himself to save the others.

Supernatural Season 1 Episode 21: Salvation

Meg turns to killing John's friends in order to get the Colt. Sam and Dean stakeout the Demon's next target; a family with a six month old baby showing signs of special abilities. John heads off alone to confront Meg.