BANG! And then there was, well, everything. A big blast in prehistoric times, spraying stardust and wandering atoms. Space. Time. Our entire universe. Everything came about suddenly, and all the events that followed have led to where we are now. Or did they? Scientists are so excited to tell you about the beginning that they could explode. Radiometric dating and religious texts. Was it predetermined billions of years ago that a TV show would eventually be named after the Big Bang?