Comedy
George A. Romero's first foray into the deep dark recesses of the "zombie apocalypse" subgenre surprised audiences of all kinds in 1968. Night of the Living Dead is a testament to what you can do with a minimal budget and a completely unique idea: basically create a new type of movie entirely. Night of the Living Dead is a sleeper hit of the highest order. Nobody, not even Romero, was prepared for how big it would be and how it essentially change the landscape of the horror genre from that point on...