 Friday, August 2nd. Register at eventbrite.com or call 854-1900. Don't waste any more time hiring. Learn what really works. August 2nd. Over the river and through the boys to grandmother's house to see. A coaster that's new for the entire crew and they call it Good Gravy. Good Gravy. The new family roller coaster at Holiday World and Splashin' Safari. Twist and turn past a gigantic rolling pin, milk bottle, and more in a race to save Thanksgiving dinner.