T2-3D: Battle Across Time simultaneously at 30 frames per second. Several elements of "T2 3-D: Battle Across Time" have been patented by Universal, including the seat drop effect, the blending of live action and film, the trio of projection screens, and the simulated assault weapons. The film was shot at the abandoned Eagle Mountain iron ore mine, just north of Desert Center in California. The cast and crew from the first two Terminator films returned for the shoot, including Arnold Schwarzenegger as The Terminator, Linda Hamilton as Sarah Connor, Robert Patrick as T-1000, and Edward Furlong as John Connor. To achieve the 3-D effect
Terminator 2: Judgment Day T-800 engage in physical combat and the more advanced model seriously damages and shuts down the T-800. However, unbeknownst to the T-1000, the T-800 brings itself back online using emergency power. The T-1000 nearly kills John and Sarah but the T-800 takes it by surprise and blasts it into a vat of molten steel with an M79 grenade launcher, destroying it. John tosses the arm and CPU of the original Terminator into the vat as well. As Sarah expresses relief that the ordeal is over, the Terminator explains that to ensure that it is not used for reverse engineering it