Tommy was pulled under and strangled some more during an underwater struggle, until he showed no more signs of life.Then, they retreated from TIE fighters and prepared to jump into light-speed with the supposedly-repaired hyperdrive.Emil Hamilton about the sighting of a strange, non-communicative alien spacecraft that had "inserted itself into a lunar synchronous orbit.DTS Digital Sound also made its theatrical debut in the film.On its 20th anniversary, the film was re-released in 3-D and IMAX in 2013.It opened above the previous year""sTitanic 3-D(at $17.3 million), coming in at $18.6 million.Universal Studios spent only $10 million to convert the film to 3-D.Set-pieces:theGallimimusstampede scene, the first T-Rex attack on the two tour vans, the stalking in the kitchen, the finale in the Visitor""s Center.