In this episode of Charles Darwin, Dr. Sarah Quinn examines the troubling history of Social Darwinism and how Charles Darwin's legitimate scientific theory of evolution was distorted for harmful ideological purposes. We explore how 19th-century thinkers like Herbert Spencer misapplied evolutionary concepts to justify social inequality, imperialism, and eugenics movements. The episode reveals how Darwin himself was concerned about these misinterpretations and emphasized cooperation and compassion in human society. Dr. Quinn discusses the fundamental flaws in Social Darwinist logic, explaining how evolution doesn't create hierarchies of superior or inferior organisms, but rather organisms adapted to specific environments. The episode highlights how modern evolutionary science supports Darwin's original emphasis on cooperation and mutual aid while completely rejecting Social Darwinist interpretations. This historical examination serves as an important reminder about the responsibility that comes with scientific knowledge and the dangers of twisting legitimate research to support predetermined ideological positions. The episode demonstrates how human diversity, cooperation, and social support systems are themselves evolutionary adaptations that strengthen our species, contradicting Social Darwinist claims about natural inequality and competition.