Trick or Treat safely in the Wildest Place in Town. Zoo Boo Bash will take place at the Central Florida Zoo and feature trick-or-treating in a designated area, with activities in the Zoo. It’s a safe, fun, and not-too-scary event for all ages. Kids are invited to bring treat bags and wear costumes. Tickets are required to take part in trick-or-treating, visit Saturday and Sunday, October 23-24 and 30-31 from 9 a.m. to 3 p.m. Event included in Zoo admission; annual pass holders $5 per person.