Cult favorite is low budget but powerfully frightening. Space experiments set off a high level of radiation that makes the newly dead return to life, with a taste for human flesh. Handful of holdouts find shelter in a farmhouse. Claustrophobic, terrifying, gruesome, extreme, and yes, humorous. Followed by Dawn of the Dead (1979) and Day of the Dead (1985). Romero's directorial debut. Available in a colorized version.