BOOze at the Zoo, an adults-only Halloween event, is Thursday, October 15, 2026, from 6:30pm to 9:30pm at the Nashville Zoo. Guests can expect unlimited BOOze samples, trick-or-treating, a live DJ, animal encounters, and more. Dress in your best costume to participate in the costume contest for a chance to win a behind-the-scenes tour. Tickets are $80. Designated driver tickets are $45. Members save $5 per ticket through October 9, 2026. Guests must be 21 and over to attend.