Philosopher and theologian, Prof. Peter Kreeft, dives into the religious and philosophical themes in 'The Lord of the Rings', discussing good and evil, the hierarchy of moral knowledge, power, addiction, and divine elements in the narrative. He explores themes of immortality, fantasy, and sacrifice, as well as the relationship between body and soul, Descartes' views, and modern work ethics. The podcast also touches on subsidiarity, Tom Bombadil, and Tolkien's influences.