In this episode, the Turd Nerds discuss a protocol for preventing traveler's diarrhea and foodborne illness while traveling. The protocol includes the use of enzymes, probiotics (specifically Saccharomyces boulardii and spore-based probiotics), and immunoglobulins. They also provide advice on food choices to avoid while traveling. The Turd Nerds share patient stories and emphasize the importance of protecting the gut and preventing illness while traveling.