This article analyses mission films as advertising material for the Rhenish Mission at the end of the 1920s. For this purpose, two mission films dealing with the missionary achievements on Sumatra and the island of Mentawei are considered. An exemplary film analysis is provided together with a condensed presentation of the environment as well as the usage of the films in the Rhenish Mission. The general procedure for film analysis is described in detail, divided into product, concept and reception analysis. The article seeks to highlight how the Rhenish Mission portrayed itself in the films and what goals it pursued with the use of the mission films, together with a comparison of the cinematic representation and the situation in the mission area.