look at itself. we are looking at what you watch most of the time, entertainment programming on the three commercial networks. what are you looking at and is it good for you? >> somewhere around the middle to late '70s, people got tired of talking about real stuff. there was a longing for a simpler time when there didn't seem like there was so much anger and contentiousness and people weren't so angry at each other. >> during the last season, "the waltons" caught on. >> now that dinner is over, let's try out the piano. i am taking requests. ♪ sunday monday happy days >> i created happy days not where the family really was, i thought it was good if some families didn't get divorced. it wasn't by accident everybody on "happy days" hugged each other. it wasn't by accident everybody