Dress Rehearsal for the Dungeon of Horrors The Dungeon of Horrors will be having a rehearsal show that is open to the public! $5 Admission. You can purchase tickets ONLY at the front gate. Ticket sales will begin approximately at 7:45 p.m., and the first group will go in at 8 p.m. If we have a larger crowd, we will take groups every 15 minutes.