I have on 15 cruises on three cruiselines and the Cruise Directors all used the same stories.
They are funny the first time, but after a while you do wish they would come up with newer ones.
Carnival Liberty New Year's Eve 2007
Liberty of the Seas 5/2008+11/2009
Allure 1/16/ 2011
Independence of the Seas 12/29/2013 Top-notch!