Add Yahoo as a preferred source to see more of our stories on Google. It's impossible to overstate just how wildly successful Happy Days was. The sitcom, which aired from 1974 to 1984, ushered in a ...

We may receive a commission on purchases made from links. Originally aired beginning in 1974 -- just one year after "American Graffiti" put George Lucas on the map and made the 1950s cool again -- ...