The discussion centers around identifying a recent science show featuring Dr. Michio Kaku, with participants recalling his appearances on various programs, including "Science of the Impossible" and possibly "Great Minds." There is mention of Kaku's recent appearance on Art Bell's show, where he discusses real science topics, contrasting them with less credible subjects like UFOs and Bigfoot. Participants express enthusiasm for Kaku's insights and the quality of discussions on Art Bell's platform. The conversation also touches on the challenges of accessing these shows due to scheduling and network changes. Overall, the thread highlights the community's interest in Kaku's work and the desire for more science-focused programming.