Avsnitt 20

A researcher from the future, a descendent of President John F. Kennedy goes back in time to witness his ancestor's death, and inadvertently changes history by saving the President . The researcher accidentally gives away the fact that he is from the future, as Kennedy is "pursued" by a series of hurricanes. A mysterious man offers a couple a bizarre deal: if they will push a button on a box that will kill one person they don't know, they will get a million dollars. After some contemplation, the couple goes ahead and pushes the button. The man tells them that they will indeed get the money . And somewhere, sometime, another couple will get the same box, and the same offer...