I'll be at the park tomorrow, too, and completely forgot about this event.
You can find some information
here. There is also a meet-&-greet session.
Here is
more information on what will be going on Tuesday and Wednesday.[/url]
There will be three shows per day. There will also be plenty of freebies, including coupons for Skippy Peanut Butter, Lemonheads, tattoos, and more. Where the event will be held, I don't know.