'Schmigadoon!' trailer: Cecily Strong and Keegan-Michael Key are trapped in a musical

In search of a healthy dose of musical comedy? Schmigadoon! is here to help. Comedy heroes Cecily Strong and Keegan-Michael Key play a struggling couple who stumble upon the magical town of Schmigadoon (not to be confused with Brigadoon), where life is a musical. They quickly discover that they can't leave. At least, not until...