Watch Batman Unmasked: The Psychology of The Dark Knight (2008) : Full Movies Free Streaming Online Delve into the world of Batman and the vigilante justice that he brought to the city of Gotham. Batman is a man who, after experiencing great tragedy, devotes his life to an ideal--but what happens when one man takes on the evil underworld alone? Examine why Batman is who he is--and explore how a boy scarred by tragedy becomes a symbol of hope to everyone else.