Oprah grills the Kardashians mercilessly in the latest episode of “Next Chapter”, pulling no punches when it comes to the things the public really wants to know but has no answers to, such as what Kim really thinks about that sex tape and whether or not her marriage to Kris Humphries was just a big publicity stunt.

But many fans are asking why she chose this family to interview when they are already famous for being famous. Their lives are taped and broadcast to millions, and there isn’t much they can do that isn’t shared on film; so why them?

Oprah says she didn’t know much about the family before the interview and had never seen their shows, so she had to do a mega-cramming session beforehand in order to get familiar with the Kardashians clan and what exactly makes them so popular. After the interview, she took to her Facebook page to share her thoughts.

“Ok my friends I had the longest interviewing session I can ever recall, talking to ALLLLLLLL the Kardashians. I had never met them, nor seen the show. I did a full on Kardashian Kram in preparation, watching major shows from every season. I genuinely wanted to know why they have become a cultural phenomenon? Why do so many people love to watch their every move and why do so many others love to hate them. Are they completely ego centered? Are they really “famous for being famous” or is there something more?

An insightful visit with the Kardashians, every single one of them except 2 year old Mason.”

The episode has garnered a huge amount of attention, and fans are already gearing up for the second half of the interview, which will air on June 24th at 8 p.m.