Physicist Richard Feynman's second act in California is explored, including his lectures at Caltech and his interest in bright students. The podcast also delves into his family dynamics and his exploration of different states of consciousness in his final years.

Richard Feynman's final years took him to surprising places with his companions, exploring his views on science, curiosity, and the impact of his testimony on public perception. The podcast also discusses his perspective on literature, embracing the unknown, and living with doubt. The hosts wrap up the series with updates on upcoming episodes and express gratitude to everyone involved.