Leo asks Josh about his day with Stanley, a psychotherapist. He uses a metaphor to describe Josh's PTSD situation and states that he'd like to help him. After Josh leaves the office, the carolers trigger Josh's PTSD.
Through a song, the Trolls explain the history of hip hop, and how it has become a staple of modern American music and culture. They discuss the foundations of hip hop, and how it has changed, almost into a completely different genre.