Tom Mustil, author of 'How to speak whale', and Holly Root Gutteridge, researcher in bioacoustics, join Jon, Mark, and Ed in a hilarious and philosophical adventure into human-animal communication. They discuss animal impersonations, share NSFW facts about Sea Otters, explore the science of animal sound and communication, and delve into the challenges and consequences of human-animal communication. They also discuss the heroic nature of dolphins and reflect on the ineffability of human-animal communication.