There are different ways to create a screenplay – freewriting from a spontaneous idea, or more planned with a determined end. I and three other screenwriters write two short screenplays each. I document the process and compare the screenplays. Based on a critical analysis of some classical dramaturgy handbooks I explore prospective versus retrospective writing practices, focusing on processes as well as results. The results will be of value for both the practice and teching of screenwriting.