Sesame Street took a few years to figure out what they wanted to be, though: http://theweek.com/articles/454359/10-classic-sesame-street-moments-wouldnt-show-t

Sesame Street took a few years to figure out what they wanted to be, though: http://theweek.com/articles/454359/10-classic-sesame-street-moments-wouldnt-show-todays-kids http://theweek.com/articles/454359/10-classic-sesame-street-... I think the best years were 1973 through 1994 or so, but that's very subjective.