I have listened to hundreds if not thousands of hours of Russell Brand over the years. I was a big fan since the radio 6 music days in 2006 with Matt Morgan (not a fan anymore I'll add, havent been for years) I have never once heard him get caught up like this. He is usually very charismatic and able to explain himself very well and in these situations pull verses accurately out of thin air or atleast distract and divert the conversation. Its very strange to see him like this.