Sad the "jumping the shark" theory for Happy Days doesn't really hold up against the data: http://graphtv.kevinformatics.com/tt0070992 http://graphtv.kevinforma

Sad the "jumping the shark" theory for Happy Days doesn't really hold up against the data: http://graphtv.kevinformatics.com/tt0070992 http://graphtv.kevinformatics.com/tt0070992