A system and method for automatically preparing personalized video presentations using a dynamic scene replacement engine which uses data points relating to a specific viewer to optimize the content of a video presentation for that specific viewer in order to increase the overall emotional effectiveness of the video presentation. The system and method for automatically preparing personalized video presentations operates to identify stock personalizing video content clips which can replace generic scenes in a raw video presentation to add personalizing material designed to appeal to the particular viewer to the presentation. Through this action, a unique personalized video presentation may be automatically prepared on demand for every particular viewer.