Originally called Countdown to Extinction, Disney’s Animal Kingdom’s DINOSAUR! takes Guests 65 million years back in time to rescue an Iguanodon from extinction. The attraction changed its name on May 1, 2000 in honor of the Walt Disney Pictures film Dinosaur. DINOSAUR! is one of two attractions at Disney’s Animal Kingdom to open before the movie it was based upon premiered in theaters. The other is “It’s Tough to be a Bug!” based on the Disney●Pixar film A Bug’s Life.