these "Mikan-seijin hour (mandarinian hour)" and "Aniki(brother)" are part of "UGO UGO RUGA(ウゴウゴルーガ)". this TV program is aired in Japan from 1992-1994. surprising is that this program is made and aired for little children every morning and many young pupils went to school after watching this program.
It's from a TV show that was aired in the early 90's in Japan. It was suppose to be for kids, but I'm sure kids of all ages watched it as well. The show was called "Ugo ugo Luga"
I was, at first, about to question the nature of this video. And then I realized I watched all nine minutes and thirty-three seconds of it. I have nothing to question but my own sanity.