Entertaiment is a thing that gives happiness and pleasure to people. It could be in the form of movies, music, art, or sports and games. Entertaiment stimulates the brain to realease seratonin, dopamine and other chemicals which gives a feel good factor. Often entertainement hits on themes that the human mind was shaped to understand and react to deeply. It might be backstabbing, murders and other things that the human mind has been shaped to understand in the social world.