Good Boy's Ball Box (lost early Japanese children series: 1954-1956)
From The Lost Media Wiki
one of the first children shows made in Japan it was a school children show for the lower grades of elementary school it from September 13, 1954 to January 16, 1956 on nhk for a total of 20 episodes not much is known about this early Japanese children show and it was broadcast live and all of the 20 episodes were not recorded on kinescope (kineco in japan) meaning that all episodes are missing and no audio recordings of Good Boy's Ball Box is known to exist make this one of the missing nhk tv shows https://www2.nhk.or.jp/archives/tv60bin/detail/index.cgi?das_id=D0009042338_00000