After Dexter is confronted with robots who wish to "destroy the one who saved the future," he uses his time machine to see how he saved it.After Dexter is confronted with robots who wish to "destroy the one who saved the future," he uses his time machine to see how he saved it.After Dexter is confronted with robots who wish to "destroy the one who saved the future," he uses his time machine to see how he saved it.