17. Hell House -

: The "ghost," a depression-era farmer named Mordechai Murdoch, turns out to be a Tulpa —a thoughtform brought to life by the collective belief of people reading about him on a local urban legend website.

: Fans of Guns N' Roses refer to the band's notorious West Hollywood apartment during their early days as the "Hell House," where many of the stories that defined their "most dangerous band in the world" reputation took place. 17. Hell House

: The episode is remembered for its blend of horror and humor, particularly the escalating "prank war" between the Winchester brothers, which saw Sam putting itching powder in Dean's underwear and Dean super-gluing Sam’s hand to a beer bottle. Other "Hell House" Milestones : The "ghost," a depression-era farmer named Mordechai

Aired in 2006, " Hell House " is widely considered a foundational episode of Supernatural because it introduced the (Harry Spangler and Ed Zeddmore), a pair of amateur paranormal investigators who would become recurring fan favorites. Other "Hell House" Milestones Aired in 2006, "