The Last One ( Friends ) was watched by less than 60 million viewers and was the sixth most-watched series finale .
The series finale first aired on NBC in the United States on May 6 , 2004 , when it was watched by 65.9 million viewers , making it the most watched entertainment telecast in six years and the fourth most watched overall television series finale in U.S. history , as well as the most watched episode from any television series throughout the decade 2000s on U.S. television .
The Last One -LRB-Friends-RRB-