Inthisprogramme,joinneuroscientistAndreFenton,computerscientistRanaElKalioubyandmathematicianTalithiaWilliamsastheyexplorethefrontiersofhumanknowledge.Inthisepisode,theyarejoinedbyagroupofspecialistsastheyattempttodecodethevocalizationofanimalsincludingbluewhales,chimpanzees,arachnids,bats,andmore.Also,meetKanzi,agorillawhounderstandslexigrams.