[s4e7] It's The Great Pumpkin, Sam Winchester «Top 50 Certified»

: The angels reveal that the summoning of Samhain is one of the 66 Seals that will free Lucifer. To prevent it, they offer a cold solution: smiting the entire town, killing everyone in it. The brothers must race to stop the witch, Tracy Davis, before the angels "purify" the area. A Test of Faith

This episode marks a significant turning point in the series' mythology: [S4E7] It's the Great Pumpkin, Sam Winchester

: While the show pronounces the demon's name as "Sam-hane," Sam correctly notes that the original Celtic festival is pronounced "Sah-wen" . : The angels reveal that the summoning of

: This is the first time Sam Winchester comes face-to-face with the angel Castiel. [S4E7] It's the Great Pumpkin, Sam Winchester