Video mapping projection on the Carthay Circle exterior at Disney California Adventure Park during Oogie Boogie Bash - A Disney Halloween Event. About this event The enchantment begins! On select nights in August, September, and October, dress up and join the Oogie Boogie Bash – A Disney Halloween Party at Disney California Adventure Park. During this special ticketed event, the park transforms into a spooky yet family-friendly after-hours celebration filled with thrills and treats! Enjoy 5 hours of mischievous fun, including exclusive Halloween-themed entertainment, immersive treat trails, bewitching attractions, and more. Whether you're a regal princess, a cosmic defender, or a daring hero, there's something magical for everyone. Goodies Abound for Every Adventurer Embrace the park's most enchanting season as you venture down our trick-or-treat trails, where you can gather sweets and encounter some of the most iconic misfits in storytelling—Disney villains! Each trail draws gu...