HallowMarine After Dark at Oklahoma Aquarium

Indoor trick-or-treating and a Diving Pirate Show on October 23, 24, 30 and 31 only, 6:30–8 p.m. each evening. A separate event ticket is required for the selected date. Advertised admission is $24.95 adults and $19.95 children ages 3–12, military with ID, or seniors 62+. Members should use the aquarium’s emailed discount link. Optional carousel rides cost $3 for the first rider and $2 for each additional rider; the VR experience is $10. Entry closes at 8 p.m.; the ticket page says exhibits remain open until 9 p.m. Dates are separate sessions, not continuous daily opening.