Demons
The second Prince of Hell.
Who is Ramiel?
This episode is regarded by Eric Kripke as one of his worst-written.
What is "Wendigo"?
The beasts Purgatory was created to contain.
What are Leviathans?
This angel sent Dean to a post-apocalyptic 2014.
Who is Zachariah?
"I'll just...wait here, then."
Who is Castiel?
This demon helped Lucifer escape Crowleys prison, and is the only demon known to have worked with and survived both Crowley, Lucifer, and Asmodeus' rule over Hell.
Who is Drexel?
This episode, shot nearly entirely in a home documentary format, chronicles a group of teenagers and their encounters with werewolves.
What is "Bitten"?
Eve, the Mother of All, created these as her first children.
What are Alphas?
This famous television character met and later kissed Sam in a TV universe created by a child ghost.
Who is Velma Dinkley?
"Don't worry about them? What, like Lucifer didn't worry? Or Michael? Or Lilith, or Alastair, or Azazel didn't worry? Am I the only game piece on the board who doesn't underestimate those denim wrapped nightmares?!"
Who is Crowley?
This demon murdered Nicks family brutally under Lucifers orders, and was later captured by Mary Winchester in an Enochian puzzle box before his demise at Nicks hand.
Who is Abraxas?
This episode currently has the highest viewing numbers of a season finale.
What is "No Rest for the Wicked"?
Nicknamed Jefferson Starships, Eve's hybrid monsters are a cross between these two monsters.
What are vampires and wraiths?
This incident being undone caused an alternate timeline where Ellen and Jo were alive and Dean drove a Mustang.
What is the sinking of the Titanic?
"They say you can’t protect your loved ones forever. Well, I say screw that. What else is family for?”
Who is Ellen Harvelle?
Azazel brought all his special children to this town.
What is Cold Oak, South Dakota?
This episode was created and formatted as an homage to Quentin Tarantino films.
What is "Stuck in the Middle (With You)"?
After Dean and Castiel are sent to Purgatory, they are surrounded by a pack of these.
What are Gorilla-Wolves?
This vegetable became Sam's obsession in an alternate timeline where John Winchester disappeared from 2003.
What is kale?
"Choking on a ladies' room floor cuz of witchcraft? Kinda makes a higher power seem relevant."
Who is Jody Mills?
This crossroad demon was the enemy of Asa Fox, possessed Jody Mills, and killed Elvis Katz.
Who is Jael?
This episodes title card parodied the intro for 1959-1973 western TV show "Bonanza".
What is "Frontierland"?
This famous writer once opened a portal to Purgatory during a party.
Who is H.P. Lovecraft?
This tentacled deity from another universe possessed a human and was held captive by Men of Letters for decades.
Who is Yokoth?
"You say that like it's an insult. Nice girls, they're pathetic. Here's to evil skanks."
Who is Rowena MacLeod?