In this episode of Stuff You Should Know, Josh and Chuck delve into the world of anacondas, discussing their size, habitat, and behavior. They clarify common misconceptions perpetuated by movies like "Anaconda," highlighting that these snakes are generally not aggressive towards humans. The hosts explore the physical characteristics of anacondas, including their swimming abilities and sensory organs, and touch on the recent reclassification of anaconda species based on genetic research influenced by Will Smith's National Geographic show. They also discuss human interactions with anacondas, addressing the threats humans pose to these snakes and recounting the infamous "Eaten Alive" Discovery Channel special. The episode wraps up with mentions of famous anacondas like Anna Julia and J-Lo, and a listener email follow-up on the invention of the popcorn machine.