upstairs? >> i didn't hear anything. >> "father knows best" represented the good life, the american dream. >> i'll read you one story, then off you go. >> "leave it to beaver" enters the sitcom realm in 1957. >> what's that? >> a haircut, i think. >> the real key to "leave it to beaver" is that it's written from a child's point of view. >> why don't you let stanley cut your hair? >> i lost my money. >> you have the character of beaver and you have wally who is his older brother who usually does things right. beaver is always the one that gets in trouble. >> and there were the parents to teach them, show them the right path. >> we want you to feel that you can come to me or to your mother with any problem and we'll understand. >> in the 1950s, sitcoms were really giving us an idealistic version of america. >> but as we get into the '60s,