Geronimo and his family were relaxing in the park when suddenly a breach opened up and the Dinotrux landed in Geronimo's world. Ty and his crew introduced themselves to the Stiltons and they became fast friends. But unfortunately, D-structs and D-stroy came through the breach as well and are now causing destruction in the city. Geronimo and his family must now help Ty and his friends stop the destruction twins and find a way to send them all home.