S3, E11: The Sliders land in city devoid of people, with a purple sky. Coming across a wrecked robot, they see a truck chasing two men, firing laser bolts at them. The Sliders run, also, and just after the men are gunned down, Quinn (Jerry O’Connell) is shot. The truck driver, Paul (Jerry Rector), scans the runners and Quinn. No signs of life...