This episode explores the insidious nature of chemical warfare employed by many animals. All manner of snakes, spiders, lizards and marine life have developed venoms, either as weapons of attack or defense. FULL DOCUMENTARY Keywords: inland, taipan, king, brown, snake, australian, bulldog, ant, scorpion, sydney, funnel, web, spider, gila, monster, coral, snake, blue, ringed, octopus, venom, poison, kill, attack