Sam and Dean meet their time-traveling grandfather.
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12. As Time Goes By - Sam and Dean meet their time-traveling grandfather.
More infoSam and Dean are reunited in the eighth season premiere.
Kevin's mom takes on Crowley.
Jensen Ackles directs this story of a cursed organ donor.
The Winchesters find footage of a monster attack.
Benny calls Dean for help against his Maker.
Garth returns to help on a ghostly case.
Castiel mysteriously escapes from Purgatory.
The Winchesters investigate a series of cartoon-like deaths.
Sam and Dean are at odds when Sam suspects Benny of feeding.
Castiel must save a fellow angel...from Crowley's clutches.
Charlie returns to help the Winchesters.
Sam and Dean meet their time-traveling grandfather.
Sam and Dean face off against a Golem.
Kevin deciphers the tablet about closing the gates of Hell.
Sam and Dean debate whether to help a witch in trouble.
Sam and Dean encounter the cursed titan Prometheus.
Crowley goes in search of Lucifer's Crypt.
Sam and Dean encounter a group of skilled teenaged hunters.
Sam and Dean face the second trial...with a reaper.
Dean teaches Charlie Bradbury the hunter's life.
Sam and Dean go in search of Metatron for the Third Trial.
Familiar faces return as the Third Trial nears.
What must Sam, Dean & Castiel sacrifice to seal Hell forever.