The Electric Company
Starring Bill Cosby, Mel Brooks, Skip Hinnant, Denise Nickerson, Lee Chamberlin, Irene Cara, Todd Graff, Hattie Winston, Gene Wilder, Rita Moreno
It's a family and comedy show, and has a rating of 8.1 out of 10 from Imdb which is very high for this kind of show.
Watch it here
Not found streaming from Belgium.