HallZOOween, presented by Frisch’s Big Boy, kicks off this weekend! Little ghouls and boys can trick-or-treat around the Cincinnati Zoo & BOO-tanical Garden on October 7-8, 14-15, 21-22 & 28-29 from Noon – 5 p.m. Please BYOB (bring your own bag) to help the #GreenestZooinAmerica stay green! Elephants and Hippos get pumpkin treats to kickoff the yearly event.