 Grant , Tim and Lex reach the visitor center . Grant heads out to look for Sattler . Tim and Lex are pursued by the raptors in an industrial kitchen , but they escape and join Grant and Sattler . Lex restores full power from the control room , allowing the group to call for help . The group is cornered by the raptors , but escape when the Tyrannosaurus suddenly appears and attacks the raptors . Hammond arrives in a Jeep with Malcolm , and the entire group boards a helicopter to leave the island . 
