Once upon a time in the small town of South Park, Colorado, the gang of four boys - Stan, Kyle, Cartman, and Kenny - were up to their usual shenanigans. They were playing video games in Stan's basement when suddenly, the power went out. "Aw man, what are we gonna do now?" complained Cartman. "I know! Let's go on an adventure!" suggested Kyle. The boys all agreed and set out into the dark and stormy night. As they walked through the deserted streets of South Park, they noticed something strange. All of the town's residents were missing! "Where did everyone go?" asked Stan. "I don't know, but we have to find out!" exclaimed Kenny. The boys searched high and low, but couldn't find anyone. Just when they were about to give up, they stumbled upon a mysterious laboratory hidden deep in the woods. "Let's investigate!" said Cartman, eager to solve the mystery. As they entered the lab, they were met by a group of evil scientists who had been experimenting on the townspeople. The boys were captured and taken to the lab's control room, where they saw the scientists' plan - to turn the entire town into mindless zombies! "We have to stop them!" cried Kyle. The boys worked together to escape their captors and destroy the lab's machinery. They managed to save the town from becoming a zombie apocalypse and were hailed as heroes. As they walked back to South Park, the boys realized that they had