[s4e7] It's The Great Pumpkin, Sam | Winchester

: The title is a direct play on the Charlie Brown special It's the Great Pumpkin, Charlie Brown . It also includes a Wilhelm scream and a death scene inspired by Halloween II .

: Unable to defeat the demon with Ruby’s knife, Sam falls back on his controversial psychic powers to exorcise Samhain, a decision that visibly strains him and angers both Dean and the angels. [S4E7] It's the Great Pumpkin, Sam Winchester

: The episode features Ashley Benson , who later became famous for Pretty Little Liars , as the witch Tracy Davis. : The title is a direct play on