The theme for this year's event is "Changing the Channel: A Timeline of Television History." Author: WHAS11 Staff Updated: 8:23 PM EDT July 27, 2021 LOUISVILLE, Ky. — Fall will be here before you know it, and with it comes a popular Louisville event. Organizers of the Jack O'Lantern Spectacular announced it will return as a walk-through event. This is a change from last year's drive-through experience in 2020 due to the pandemic. The annual event at Iroquois Park features 5,000 intricately-carved pumpkins. The theme for this year's event is "Changing the Channel: A Timeline of Television History." The is from September 30 through October 31. Tickets go on sale September 1.