 The original anime series was produced by Studio Zero and co-produced by Children's Corner; it was in black-and-white and aired in Japan between February 1966 and March 1967.The first opening was by Matsuyo, the sextuplets, Iyami, and Chibita, while the second opening was by Makoto Fujita, with instrumental versions used as ending themes.Akatsuka himself supervised the series.