Boo At The Zoo 2024 Philadelphia Pa. Boo at the zoo returns to the philadelphia zoo for three weekends from oct. On behalf of the philadelphia zoo, we’d like to invite you to volunteer at our annual halloween event boo at the zoo, where guests enjoy trick or treating in the.

Philadelphia zoo offers volunteer opportunities for individuals and groups ranging in abilities and in age from 14 to adults. So put on your costume and get ready to experience the zoo.