Guests are ushered from the pre-show auditorium into a large theater that seats 700 where they are to see a demonstration of Cyberdyne's newest creation, the "Cyberdyne Series 70 Autonomous Infantry Unit" (T-70 Terminators). Once guests are seated, they are told to put on their "safety visors" to watch a demonstration of the T-70 Terminators in action presented by Duncan. After this brief demonstration, John and Sarah arrive and disrupt the proceedings. After disabling the security alarms, they force Duncan to shut the T-70s. However, they are confronted by a T-1000 Terminator (
Robert Patrick) from the future whom they engage with automatic-weapons. Duncan is killed by the T-1000 while attempting to stop him, mistaking him as a police officer. A T-800 Terminator (
Arnold Schwarzenegger) bursts through the movie screen through a "time portal" on his signature
Harley-Davidson motorcycle – via actual actor/stunt double riding into auditorium – to rescue John. He takes John back through the portal and into the future war between humans and machines while Sarah stays behind in the present, with the T-1000 in pursuit. After defeating him, John and T-800 make their way across the war-ravaged landscape as they head towards
Skynet. Along the way, they are chased by a flying Hunter-Killer, four Mini-Hunters, and a Terminator endoskeleton.
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The duo successfully penetrate the Skynet facility and descend with the audience into Skynet's Central Core, where they battle the "T-1000000", a giant liquid-metal spider-like construct similar to a very large T-1000. The T-800 sends John to a nearby time machine that will take him back to the present while he stays behind to blow up Skynet and the T-1000000. The show ends with the ground-shaking destruction of Skynet, leaving Sarah and John alone in the present time once again. During the destruction of the T-1000000, water is sprayed from the ceiling onto the riders and then during the explosion, smoke is blown into the audience; the seats of the auditorium also lurch with a sudden drop, giving guests a final scare and ending the show with Sarah finishing the attraction by narrating that she feels that she owes her life to the Terminator for saving John's life. During this narration, the face of a Terminator endoskeleton fills the screen, morphing into Schwarzenegger's face before the film fades to black, during which John and Sarah mysteriously disappear.