Tricks and Treats at Six Flags Discovery Kingdom

A daytime, no-scare Halloween celebration with treats, entertainment and seasonal activities at Six Flags Discovery Kingdom. The same park also lists Oktoberfest on select fall weekends. Dates: Saturdays–Sundays • Sep 19–Nov 1, 2026. Hours: Daytime event; before nighttime programming. Location: Six Flags Discovery Kingdom, 1001 Fairgrounds Dr, Vallejo, CA. Admission: Included with park admission; varies by ticket. Pop Up LA scare level: 2/5. Confirm current availability and ticket terms on the official event page before travel.