Dean is infected by a disease that could kill him of fright.
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6. Yellow Fever - Dean is infected by a disease that could kill him of fright.
Dean wakes up in a pine box, freed from Hell -- but how?
Meg and Agent Henricksen return to haunt Sam and Dean.
Dean gets sent back in time to 1973 where he learns about his parents.
Sam and Dean argue about killing a family man turned animal.
A shape-shifter demon appears as old movie monsters.
Sam and Dean discover a witch is sacrificing people to summon an ancient demon.
A small town wishing well that actually works brings chaos.
Sam and Dean meet Anna, who can hear angels.
Alastair and his demons continue to close in.
Sam and Dean investigate the appearance of a young ghost.
Sam and Dean investigate the activities of a trio of magicians.
Sam and Dean flash back to their days in high school.
A siren pits Sam and Dean against each other.
Sam and Dean head into the spiritual world.
Someone's killing angels. Plus, shocking news upsets Dean.
What would happen if the Winchesters weren't hunters?
Lilith is coming and has plans for Sam.
Another Winchester boy? It's 19-year-old Adam.
Castiel returns to his human form.
Dean and Bobby trap Sam in the panic room.
Sam and Dean prepare for the apocalypse in different ways.