The Twilight Zone 1959 112 No Time Like the Past

Exit one Paul Driscoll, a creature of the twentieth century. He puts to a test a complicated theorem of the space-time continuum, but he goes a step further - or tries to. Shortly, he will seek out three moments of the past in a desperate attempt to alter the present - one of the odd and fanciful functions in a shadowland known as the Twilight Zone