South Park (1997)

S2E4 Chickenlover

The Booktastic bus arrives in town, leading to the shocking discovery that Officer Barbrady is illiterate. To save his job, he’s taken to school alongside the boys. Meanwhile, a bizarre situation unfolds in South Park as someone begins having sexual encounters with the town's chickens. It’s up to Officer Barbrady, along with his newly appointed deputies Kenny, Kyle, Stan, and Cartman, to put a stop to this outrageous behavior!