"One of SONIC's core values is to surprise and delight our customers. Free Root Beer Floats are a great way to do this, by offering an unexpected sweet treat to kick off summer," said Todd Townsend, vice president and chief marketing officer-Sonic Industries Services Inc. "SONIC is the place to go this summer when you need something sweeter after dark."

This summer, SONIC is open until midnight or later and has a variety of ways to satisfy your sweet tooth, including SONIC Blast® Treats, Floats, Shakes, Malts, CreamSlush® Treats, Cream Pie Shakes, Banana Splits, Ice Cream Sundaes and Cones.