Educational? I had to watch it in school

Reading Rainbow - starring Levar Burton (better known as Jordie LaForge of Star Trek Enterprise)
[youtube=425,350]c6j8EiWIVZs[/youtube]

The Electric Company - Starring Morgan Freeman and Bill Cosby
[youtube=425,350]WdqTzpZUEcY[/youtube]

HR Puffnstuff - starring a bunch of people on acid
[youtube=425,350]rtEE9pKRoB8[/youtube]