#1 Everytime he does a kennedy impression.
#2 Any time his parents are ever brought up in conversation, that automatically means 20-30minutes of him doing an impression with no jokes or humor, just his impression.
And lest we forget the Bill Clinton impression that's no longer vaulting anyone over the fascination threshhold
I skip most of the interviews unless it's someone I really like (which rarely happens). I can't remember the last time Howard asked anyone a question I cared about the answer to. It's always about the things HE'S obsessed with - money, traumatic childhoods, and anal sex / cock size. You can tell he doesn't give any thought to what the audience cares about.