BOOze at the Zoo, an adults-only Halloween event, is Thursday, October 16, 2025, from 6:30pm to 9:30pm at the Nashville Zoo. Guests can expect unlimited BOOze samples, trick-or-treating, live music, animal encounters, and more. Dress in your best costume to participate in the costume contest for a free Backstage Pass Tour for up to 4 people. Tickets are $80 (members save $5 per ticket through October 10, 2025). Designated driver tickets are $45. Guests must be 21 and over to attend.