sentences:  The killer whale show was replaced by three dolphins from Six Flags Discovery Kingdom until a new killer whale, Shouka, arrived on loan from a park in France.Along with new animal exhibits, Six Flags added two family rides and a Batman themed water ski show to the wild life section of the park.Six Flags president Gary Story announced that a five-year plan for the Ohio park included submarine, volcano, and rain forest attractions, as well as a monorail system for transportation.