A movie reproduction system (1, 1a) for, while a communication clock provided in a sending means for sending communication data and a communication clock provided in a receiving means for receiving the communication data are synchronized with each other, sending/receiving movie data representing a movie between the sending means and the receiving means and reproducing the movie data, the system comprising: a first signal generation means which generates a first vertical synchronizing signal in accordance with the communication clock of the sending means; and an image generation means which generates a plurality of frame data (50, 51, 52) in accordance with the first vertical synchronizing signal generated by the first signal generation means, thereby generating movie data representing a movie, wherein: the sending means sends, as communication data, start time data of the movie data and the movie data generated by the image generation means, and the system further includes: a second signal generation means which generates a second vertical synchronizing signal in accordance with the start time data received as the communication data by the receiving means and the communication clock of the receiving means; and an image reproduction means for, based on the movie data received as the communication data by the receiving means, presenting frame data (50, 51, 52) included in the movie data in accordance with the second vertical synchronizing signal generated by the second signal generation means, thereby reproducing the movie represented by the movie data; characterized in that the start time data indicate a time for starting generation of the movie data by the image generation means. a first signal generation means which generates a first vertical synchronizing signal in accordance with the communication clock of the sending means; and an image generation means which generates a plurality of frame data (50, 51, 52) in accordance with the first vertical synchronizing signal generated by the first signal generation means, thereby generating movie data representing a movie, wherein: the sending means sends, as communication data, start time data of the movie data and the movie data generated by the image generation means, and the system further includes: a second signal generation means which generates a second vertical synchronizing signal in accordance with the start time data received as the communication data by the receiving means and the communication clock of the receiving means; and an image reproduction means for, based on the movie data received as the communication data by the receiving means, presenting frame data (50, 51, 52) included in the movie data in accordance with the second vertical synchronizing signal generated by the second signal generation means, thereby reproducing the movie represented by the movie data; the sending means sends, as communication data, start time data of the movie data and the movie data generated by the image generation means, and the system further includes: a second signal generation means which generates a second vertical synchronizing signal in accordance with the start time data received as the communication data by the receiving means and the communication clock of the receiving means; and an image reproduction means for, based on the movie data received as the communication data by the receiving means, presenting frame data (50, 51, 52) included in the movie data in accordance with the second vertical synchronizing signal generated by the second signal generation means, thereby reproducing the movie represented by the movie data; a second signal generation means which generates a second vertical synchronizing signal in accordance with the start time data received as the communication data by the receiving means and the communication clock of the receiving means; and an image reproduction means for, based on the movie data received as the communication data by the receiving means, presenting frame data (50, 51, 52) included in the movie data in accordance with the second vertical synchronizing signal generated by the second signal generation means, thereby reproducing the movie represented by the movie data;