In the fourth and final interview session, conducted on January 3, 2019, Teitsworth describes the fire that led him to leave firefighting. He also talks about women joining the firefighting force. He talks about the death of Guru Nitya Chaitanya Yati and about his transition from a student of Indian philosophy to a teacher. He also shares his thoughts about the September 11, 2001, attacks and aftermath. He speaks at length about his work on his books about the Bhagavad Gita, about his writings on the labors of Hercules, and about teaching classes on the Bhagavad Gita. He describes the effect accusations of child abuse had on his life, and reads from his life horoscope and discusses its accuracy. He closes the interview by talking about his inspiration for a recent talk, and about his children, their families, and their careers.