ST. LOUIS, Mo. - Boo at the Zoo Nights presented by SSM Health Cardinal Glennon Children's Hospital runs nightly, Oct. 16-30 from 5:30 to 8:30 p.m. at the St. Louis Zoo.


The Zoo will be decked out in all its Halloween finery where you’ll encounter fun photo opportunities, Puzzled Pumpkin Maze, Witchy Walk, Pirates’ Cove, Fragile Forest Fairyland, and much more.

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Three animal exhibits are open during the event. Slither into the Charles H. Hoessle Herpetarium to catch sight of heroes in a half shell (turtles and tortoises), observe frogs, toads and lizards maintaining their stealth camouflage, and practice your Parseltongue with the snakes. For a little more hocus pocus, check out the Emerson Children’s Zoo and meet some awesome animals up close. Don't be alarmed if you discover the naked mole rats have left their costumes at home! Catch a glimpse of sea lions and harbor seals taking a nighttime swim as you walk through the Holekamp Aqua Tunnel at Sea Lion Sound.


Entertainment: Get pumped for some spooktacular entertainment by Babaloo, Juggling Jeff, Chef Bananas and Enchanted Events character singalongs. The approximately 20-minute acts, which do not include animals, feature music, juggling, magic, comedy and more on stage at the Sea Lion Show Arena. Shows are offered at 6:30 and 7:30 p.m. and are free with admission to Boo at the Zoo Nights. Entertainment acts vary nightly. Tickets will be handed out on a first-come, first-served basis at the show ticket booth.


Gather 'round and perk up your ears for interactive theatrical storytelling where you just might be called upon to act out a scene. Stop by educational activity stations and learn about some of the world’s creepier-looking animals.


Activities & Attractions: Eerily draped in cobwebs, the Mary Ann Lee Conservation Carousel transforms into the not-so-spooky “Scare-ou-sel.” Visit theHaunted 4D Theater for a showing of “Happy Family 4D.” These two attractions are free with admission to Boo at the Zoo Nights. Take a break from the Halloween action and stop by at the kids’ game area to play limbo, Halloween-themed bean bag toss, tic-tac-toe and more.

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Souvenirs & Food: At Tropical Traders Gift Shop, kids can purchase a pumpkin to paint and take home. Taste what’s brewing for dinner or a snack at Zoo cafes. Visit the new Candy Crossing and Starbucks for fall treats and drinks. Be sure to shop the boo-tique for souvenirs, and receive 10 percent (20 percent for members) off any purchase at Zoo gift shops.


This year's Boo at the Zoo souvenir T-shirt features a sloth dressed up for Halloween. Prices range from $11-$19 for toddler to adult sizes. The shirts will be available for purchase at select Zoo gift shops while supplies last.


Instagram Contest: Enter the Zoo’s Instagram contest using hashtag #STLZooBoo for a chance to win tickets to the Zoo’s upcoming U.S. Bank Wild Lights event and a $25 Zoo gift card. Details are available at and  


Costume Policy: Ages 12 and under are encouraged to wear Halloween costumes. Ages 13 and over in costume are not allowed unless they are accompanying children. Specifically, our policy requires no adults can be wearing a mask or otherwise have their face covered with face-painting, etc. See website for the Zoo’s costume policy. Please note, this is not a trick-or-treating event.


Tickets/Admission: Admission to Boo at the Zoo Nights for ages 2 and up is $7 for Zoo members and $8 for non-members. Children under age 2 get in free. Each child between the ages of 2 and 12 dressed in costume will receive a $1 discount on admission with on-site ticket purchase. Tickets can be purchased at the door on nights of the event. Advance tickets will be available online at Parking is our treat and is available for free on both Zoo parking lots during the event. Proceeds from the event help the Zoo provide the highest quality care for its animals.


Groups of 15 or more may receive a group rate with advance purchase by calling (314) 646-4781.


The Zoo closes for all visitors at 4 p.m. on the days of Boo at the Zoo Nights. Doors re-open at 5:30 p.m. for the ticketed event.



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