Joking Around with ACE Northern California

Location

Six Flags Discovery Kingdom
1001 Fairgrounds Drive
Vallejo, CA 94589
When:  Sat, Oct 3, 2026 from 09:45 AM to 08:00 PM (PT)
Associated with  Northern California Region
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Joking Around with ACE Northern California

No tricks, just treats!

 

Join us for this new ACE Northern California event
celebrating Halloween with Tricks and Treats.

Tentative Schedule:
  • 9:45 a.m.: Meet at the main gate for a group photo in front of the entrance. Please do not be late. Your reps would like to enjoy the event instead of waiting to escort late arrivals.
  • 10 a.m.: We'll walk to The Joker at 10 a.m. for a Q&A session with the maintenence team in front of Joker's mouth.
  • 10:30 a.m.: We'll enjoy some ERT on The Joker until the park opens.
  • 11:00 a.m. - 8 p.m.: Six Flags Discovery Kingdom opens to the public.
  • 11:00 a.m.: Ride takeovers on The Flash and Superman while we're waiting for lunch.
  • 12:00 p.m.: Lunch* in The Groves with Park Manager Bill Mullens.
  • TBD: Priority seating at the dolphin show.
  • The rest of the day: Enjoy all of the Halloween fun of Tricks and Treats

 * Lunch Menu

Fiesta bar: (make your own tacos and/or nachos!!) with ground beef, nacho chips, flour tortillas, cheese, jalepenos, sour cream, onions, lettuce, salsa and hot sauce.

Along with garden salad (ranch & Italian dressings), mac & cheese, baked beans, potato chips, fresh baked cookies and soft drinks

 

Pricing:

All tickets include a catered meal, Q&A session, ERT, and priority seating at the dolphin show.

Tickets purchased before 9/4:

  • ACE Members w/ Six Flags pass: $38
  • ACE Member w/out Six Flags pass: $72

Tickets purchased between September 4, 2026 and September 11, 2026 at midnight:

  • ACE Members w/ Six Flags pass: $41
  • ACE Member w/out Six Flags pass: $76
 
Registration:

Registration is open now.

Note, above, that there is a regular registration price and a higher, last-minute registration rate. Register today to save!

Registraion will close Friday September 11, 2026 at midnight PDT.

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Click Here to Review the Event Terms and Conditions
SCHEDULE ADVISORY

Inclement weather, equipment problems or other unforeseen circumstances may affect the published schedule. The park will do its best to provide ride times and rides as listed; however, the schedule of events remains tentative and is subject to change based on the park's operational status and local health restrictions at the time of the event.

ACCESSIBILITY

Should you need special accommodations such as a wheelchair, speech/hearing, etc., refer to the participating parks policy prior to the event date. Most parks offer a complete guide for guests with a disability.

REFUNDS AND REGISTRATION FEES

Refunds will not be given. Registration fees will not be prorated for partial attendance and tickets are nontransferable. Event attendee substitutions are at ACE’s discretion. Permission must be obtained prior to the event, in writing, from the event contact.

The payment of registration fees by, for, or on behalf of participants releases and holds harmless the American Coaster Enthusiasts Worldwide Inc. and its Officers, Directors, Executive Committee Members and representatives from any and all liabilities related to those activities. Returned checks and chargeback disputes will be treated as uncollected debt. ACE reserves the right to execute debt collection following the Fair Debt Collection Practices Act.

COVID-19 SAFETY INFORMATION

Although our host parks are making every effort to keep you as healthy and safe as possible, there remains an inherent and elevated risk of exposure to COVID-19 in any public place and place where people are present. Refer to park policies for additional information, requirements and latest updates.

CODE OF CONDUCT

Members and their guests should be especially aware that their behavior affects ACE’s reputation, and they are expected to abide by ACE’s Code of Conduct at all times during the event and follow all host park policies, including, but not limited to, alcohol consumption. Members are responsible for the conduct of their nonmember guests. Parents and/or guardians are responsible for supervising minor event attendees. Members found to be in violation of the code are subject to ACE's disciplinary procedures, which may be in the form of, but not limited to, verbal or written warning, membership suspension or involuntary termination.

Any violations of park policies, including underage alcohol consumption are a violation of section C.1 of ACE’s Code of Conduct and could result in suspension of the member’s ACE membership as well as action by the park.

NAME BADGES

You must be registered and your official event name badge must be visible to participate in scheduled event activities.