In the fourth episode, Mark-Eugene and David explore the significance of Patrick Dennis and his literary works in shaping the history of Broadway musicals such as "Mame" and "Little Me." The episode includes a captivating interview with Bernie Ardia, who discovered and facilitated the publication of the book "At Sea with Patrick Dennis: My Madcap Mexican Adventure with the Author of Auntie Mame." More information on the book can be found at Rattling Good Yarns Press.