We've got your first look at 3 video clips from the upcoming Halloween episode of Supernatural, "It's the Great Pumpkin Called Sam Winchester", airing this Thursday, October 30th.

In the episode, Sam (Jared Padalecki) and Dean (Jensen Ackles) investigate some strange Halloween-related deaths that are taking place in a town during the days leading up to the holiday itself. As they begin to solve the mystery, they also learn the real origins of Halloween and find themselves trying to save the entire town itself from a surprising pair of would-be assassins. Introducing Robert Wisdom (The Wire) as 'Uriel,' the episode also guest stars Misha Collins (24) as 'Castiel.' "It's the Great Pumpkin Called Sam Winchester" was written by Julie Siege and directed by Charles Beeson.