 The festival begins at 11 a.m. in Sertoma Park. Sertoma Club fireworks go off at 10.30 p.m. by South Middle School. All troops will have a first aid station at the festival and at the fireworks. Jim Johnson reporting. News Radio 1310 KNOX and knoxradio.com. What's the bad? Be careful if you have a fifth or the fourth so you can enjoy the sixth? Point. Good one.