There are a couple activities in Knoxville for those looking for entertainment. From 1-3pm, the Knoxville Optimist Club will be hosting “Treats in the Trunk” in the Family Video parking lot. Families are invited to dress up and come out for some trick or treating fun. Saturday night, from 8pm-midnight, the Marion County Humane Society will be hosting a Halloween Party on the second floor of the National Sprint Car Hall of Fame and Museum. There will be food, music, a costume contest, and more. Tickets are $10, $15 at the door and can be purchased at the Hall of Fame and Museum. All proceeds benefit the Humane Society.