Northern California's biggest holiday event makes its magical return to Six Flags Discovery Kingdom. Deck the halls in a dazzling display of lights, sights, and sounds for this holiday extravaganza for select days beginning November 29-January 5. Holiday in the Park at Six Flags Discovery Kingdom offers an entirely new and unique holiday celebration experience unlike anything seen before. Boasting thrilling rides, shows, and attractions, this winter season just got so much cooler.