Dean and Sam stumble upon a kind of boarding school for young hunters.
The heavily-touted "Unholy Trinity" of Crowley, Meg, and Castiel "reunite" tonight.
Sam and Dean come face to face with Prometheus, Zeus, and Artemis from Greek mythology.
Sam and Dean are summoned to help a witch by his familiar - a woman who can shape shift into a dog.
Kevin finally gets some of the tablet transcribed, and it leads Sam and Dean to their first task in closing the gates of hell.
The CW has made three early pickups for the 2013-2014 season: The Vampire Diaries, Supernatural, and Arrow. These pickups should come as a surprise to no one, but it is exciting to get the confirmation so soon. The last few years confirmation has come in May, which is just way too close for comfort.
Sam and Dean fight reanimated, time-traveling Nazis.
Sam and Dean meet their grandfather when he accidentally time travels to 2013.
Sam and Dean's most recent case leads them into the wild world of live-action role playing.
Despite brotherly strife, the Winchesters help Castiel save an angel.