The Slater-Carey Mental Hospital is a mental hospital located in South Park that appears in the Season Ten episode, "Tsst".
Background[]
Liane Cartman hires Jo Frost from Supernanny to help improve her son's behavior. Jo shows up to the Cartman Residence, but three days later, she is shown to have failed improving Cartman's behavior and has been sent to the Slater-Carey Mental hospital, where she is shown sobbing and eating her own excrement from a toilet. Between mouthfuls of defecate, she screams that Cartman comes from Hell.