The Professor, Betty, Amy, and Chris were being pulled into an anomaly, which was used by the Ekons to return to their dimension. When the aliens entered the fracture, they followed an energy string. Since their dimension no longer existed, a cascading effect occurred, which began to destroy their race. After the mission to Mars, the ones on the spaceship wanted to safely return to their home, but their choices were limited. As they tried to resist the external force of the void, alternatives were needed. Death or life was the only option for one or all. By manipulation, a path was taken, which eventually caused alternate realities. The broken mirror fragmented their lives. If the true reality wasn't restored, their future and everyone on the Earth was jeopardized for the benefit of a new race.