Listed and described are films produced through a system of international cooperation; subject areas are physical geography, biology, physics, and teacher training. A brief history of the development of the production cooperative project is followed by a description of operating procedures. The objective is to coordinate the production of educational films by individual countries so that the films produced will have a wider cross-cultural acceptability and thereby increase the supply of films to all cooperating nations without additional costs. Plans for future productions using a wider spectrum of media are discussed. (STS)