Improv groups are ensembles of performers who create unscripted scenes and characters on the spot. They rely on spontaneity and collaboration, often using audience suggestions to inspire their performances. This art form emphasizes quick thinking and adaptability, allowing for a unique experience each time. Typically, improv groups perform in theaters, comedy clubs, or festivals, showcasing their skills through various formats like short-form games or long-form narratives. These groups can range from small local troupes to larger, well-known ensembles, contributing to the vibrant world of live entertainment and comedy.