 Gym City Comic Con is happening this weekend over at the Dayton Convention Center. Lots of collectibles. You can meet some comic book artists and more Saturday 10 to 5 and Sunday 10 to 4. The Ohio Challenge Balloon Festival is going on this weekend. That's down in Middletown with hot air balloon competitions, live music, carnival, car show, skydiving demonstrations, balloon glow, fireworks, and more. It's going to be tonight 5 o'clock to 1030 and tomorrow 4 to 1030.