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Bobby draws a knife on Dean when he shows...

Bobby draws a knife on Dean when he shows up after having been freed from Hell.

Sam, Dean and Bobby seek out Pamela the psychic.

Sam, Dean and Bobby seek out Pamela the psychic.

Sam and Dean go on a good old fashioned monster-hunt.

Sam and Dean go on a good old fashioned monster-hunt.

A town is being terrorized by iconic monsters...

A town is being terrorized by iconic monsters from the old Hollywood movies.

Dean and Sam investigate several murders...

Dean and Sam investigate several murders at Oktoberfest.

A few days before Halloween, Sam and Dean...

A few days before Halloween, Sam and Dean investigate two mysterious deaths in a small town.

The brothers have a run-in with an earnest...

The brothers have a run-in with an earnest trick-or-treater.

Robert Wisdom guest stars as a Uriel.

Robert Wisdom guest stars as a Uriel.

A girl named Candace describes her encounter...

A girl named Candace describes her encounter with a ghost to Sam.

Sam and Dean are on the hunt for bigfoot.

Sam and Dean are on the hunt for bigfoot.

Sam and Dean meet a living teddy bear.

Sam and Dean meet a living teddy bear.

Sam and Dean don't know what to make of a...

Sam and Dean don't know what to make of a suicidal teddy bear.

Ruby tells Sam and Dean that a powerful demon...

Ruby tells Sam and Dean that a powerful demon is searching for a girl named Anna who can hear the angels' conversations.

Sam and Dean talk to a girl named Anna who...

Sam and Dean talk to a girl named Anna who hears angels.

Anna's Doctor tells Sam and Dean about her...

Anna's Doctor tells Sam and Dean about her belief in demons.

Sam is attacked by a demon named Ruby.

Sam is attacked by a demon named Ruby.

Castiel and Uriel come to take Anna.

Castiel and Uriel come to take Anna.

The brothers bring psychic Pamela in to try...

The brothers bring psychic Pamela in to try to help Anna.

The angels deliver an ultimatum to Dean.

The angels deliver an ultimatum to Dean.

While undercover at his old high school,...

While undercover at his old high school, Dean teaches the kids to play dodgeball.

Sam wonders if he could have done something...

Sam wonders if he could have done something to help Barry, a student who killed himself when they were in school.

In a flashback to High School, Sam tells...

In a flashback to High School, Sam tells Dean he doesn't want his help with a bully.

Dean has some fun with Sam in the spiritual...

Dean has some fun with Sam in the spiritual world.

The ghost of a boy named Cole explains what...

The ghost of a boy named Cole explains what happened when the Reaper tried to take him.

Cole shows the brothers the ropes when it...

Cole shows the brothers the ropes when it comes to fighting as a ghost.

Sam and Dean share an elevator in an alternate...

Sam and Dean share an elevator in an alternate universe where they aren't hunters.

A 19-year-old boy named Adam calls Sam and...

A 19-year-old boy named Adam calls Sam and Dean looking for John Winchester; the boy claims to be his son.

Sam and Dean are disturbed by the normal...

Sam and Dean are disturbed by the normal upbringing Adam had with their father.

Sam tells Ruby that Dean's better off as...

Sam tells Ruby that Dean's better off as far away from him as possible.

Bobby reacts when Dean tells Bobby he's not...

Bobby reacts when Dean tells Bobby he's not going after Sam.

Zachariah tells Dean the last seal must be...

Zachariah tells Dean the last seal must be opened by Lilith.