In this final episode of our "Favorite Film Genres" series, we take on what is perhaps the greatest, and certainly the most subversive, American film genre, film noir! We analyze the old and new versions of Nightmare Alley to help us define the dark, doom-obsessed, complex noir form: Guillermo del Toro's fantastical sin-soaked version currently playing in theaters, and the seemingly plainer but ultimately more searing and socially critical cult classic 1947 film noir. [WARNING: WE DO ALLLLL THE SPOILERS!]