Oh Lord have MERCY (.... get it?) This week Maddie and Mackenzie delve into the legend of the vampire Mercy Brown. The sister's debate whether she really just a sick girl or a vampiric parasite hellbent on destroying her family. T

hey also explore the lesser known history of the New England Vampire Panic, the intersting health tonic these geniuses came up with, and famous works of literature Mercy's story inspired over the years. Stick around till the end to play a game of vampire lore trivia!