Dragon Ball Z uses four pieces of theme music in the Japanese version. The "seasons" that comprise the following list correspond to the remastered box sets released by Funimation from to ; these correspond to story arcs which are themselves split at debatable points , and not to the pattern in which the series actually aired in either Japan or the United States. In Japan, Dragon Ball Z was aired year-round continuously, with regular off-days for sporting events and television specials taking place about once every six weeks on average. The English broadcast was divided into eight separate near-continuous blocks with breaks varying between four months to over a year between each block.