Supernatural Stars Preview Dean and Sam's Run-In With Dorothy of Oz, Charlie's Return

Supernatural has traveled to the past, the apocalyptic future and even to its own set. But on this Tuesday’s episode (The CW, 9/8c), the Winchesters encounter their strangest world yet — Oz.

With the fantastical Dorothy (guest star Tiio Horn, Hemlock Grove) — and a witch! — on the loose in Dean and Sam’s home base, the adventure harkens back to the series’ roots, says star Jared Padalecki. READ MORE & SEE EXCLUSIVE PHOTOS