About two seconds after the boys place the suction on the incision, it disappears and the machine is no longer functioning. Then when Cartman asks, "Who is screwing with the lights?," the machine is working again but the suction is still gone.
America's Most Wanted does offer re-enactments, but not live.
The armless nurse says the generator's batteries are getting low. Generators don't run on batteries. If they did, they would not be called generators.