Tickets are available for BOO! at the Zoo, Knoxville’s largest Halloween event. BOO! at the Zoo features  safe and not-too-scary fun scheduled over three weekends; Thursday through Sunday, Oct. 19-22 and Oct. 26-29, from 5:30 p.m. - 8 p.m. each evening.
 BOO! at the Zoo, a Halloween tradition for 31 years, is a family event featuring trick-or-treating through the zoo along the BOO! Trail, the Chick-fil-A Monster Mash tent with fun that’s perfect for preschool and elementary-aged kids, friendly costumed characters and entertainers throughout the zoo. Additional activities include the Scary-Go-Round, the only “haunted” carousel in East Tennessee and the BOO! Choo Train.
 Boo! at the Zoo tickets are $9 per person. Children under four are admitted free. Parking is free. Tickets are available online at booknoxville.com, by phone at (865) 637-5331 and at the zoo’s ticket office during regular zoo hours. To ensure a safe and enjoyable evening for all guests, ticket sales will be limited each evening and guests are encouraged to purchase in advance.
Zoo Knoxville is a nonprofit entity situated on 53 wooded acres just east of downtown Knoxville. Zoo Knoxville features exhibits of wild animals in natural habitats and is world renowned for its efforts in conservation and species survival. Zoo Knoxville is nationally accredited by the Association of Zoos and Aquariums (AZA) and is committed to the highest standards in animal care and well-being, ethics, conservation, and education. Knoxville’s largest attraction, the zoo is open every day except Christmas Eve and Christmas Day. 
Currently, the zoo is open Monday through Friday from 9 a.m. until 4 p.m., and Saturday and Sunday from 9 a.m. until 5 p.m. Admission and ticket sales stop one-hour before the zoo closes. For more information visit zooknoxville.org.