Some fly around the globe, while others establish states with thousands of inhabitants - insects are true survival artists! At least one million species are known, ranging from the tiny flying dirt-sized wasp to the half-meter-long stick insect. Unfortunately, they are becoming increasingly rare. WHAT IS WHAT invites you on a journey of discovery into the wondrous world of six-legged creatures. Because only what we know can we protect! Featuring an exciting interview with Dr. Michael Ohl, an insect researcher at the Berlin Museum of Natural History.