Abilene businesses and non-profits will be providing treats on the Treat Path from 1 until 7 p.m. with the entry gate closing at 6:30.
Guests who come before sunset can see the animals.
It's one price for each person, members included.
Tickets may be purchased in advance until 5 p.m. on Friday for only $2.50 each and may get in faster on Saturday.
Tickets purchased on Saturday the 27th are $3 each.
Boo at the Zoo is sponsored by Abilene Regional Airport.