Sonic: Half-Off Ice Cream Shakes After 8 PM

Here’s a fun deal that would be nice after you attend some of the free summer concerts or outdoor movies this summer: starting now, Sonic is doing half-off ice cream shakes after 8 PM, all summer long!  It’s valid at participating locations only, and in my experience, most Sonic locations do participate, but it’s not a bad idea to call ahead of time to confirm.