Zoo Boo begins anew this weekend at the Potawatomi Zoo.

The Friday night kickoff for the annual trick-or-treat tradition runs from 6 p.m. to 9 p.m., 3 p.m. to 9 p.m. on Saturday, and Noon to 4 on Sunday.

Costumes are encouraged. The zoo will be decorated for the holiday, and there will be plenty of treats.

Admission is $9.50 for adults, $7.50 for seniors and kids, and free for children 2 and under.

Tickets will also be sold for the Haunted Train ride for just 2 dollars. Don’t forget that the animal exhibits are closed after dark for the health and safety of the attractions.