This document summarizes Joseph Fletcher's situation ethics theory, including its four working presumptions, six fundamental principles, and four examples that Fletcher provided to illustrate how situation ethics could be applied. The four examples are: 1) a terminally ill patient deciding whether to take life-extending pills, 2) the US decision to drop atomic bombs on Japan in WWII, 3) a woman asked to seduce an enemy spy, and 4) a German woman who became pregnant in a prisoner of war camp to be released. The document notes that while Fletcher gave examples, they describe very individual situations and Fletcher has been criticized for potentially misinterpreting Jesus' teachings.