Ōoka Echizen (大岡越前) is Japanese a prime-time television jidaigeki series. From March 16, 1970 to March 15, 1999, 402 episodes and 15 seasons were broadcast. Also, a two-hour special aired on March 20, 2006, commemorating the fiftieth anniversary of the National Gekijō, which occupies the Monday evening 8:00–8:54 pm time slot on the TBS network, sponsored by Matsushita. It alternated, seasonally, with Mito Kōmon and Edo o Kiru.