Apel (Polish pronunciation: [ˈa.pɛl], variously translated as The Appeal and The Roll-Call) is a 1970 black-and-white cutout animated short film by Ryszard Czekała.The film is about World War II and the Nazi occupation of Poland: during the morning roll call, a group of concentration camp prisoners are tormented by an SS officer who orders them to perform gymnastic exercises. The prisoners are shot when they rebel against obeying orders.