1/2 Price Burgers @ Sonic May 31st
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On May 31, 2016, you can get cheeseburgers for half-price at Sonic. This is good on single-patty SONIC Cheeseburgers only.
SavingsMania
On May 31, 2016, you can get cheeseburgers for half-price at Sonic. This is good on single-patty SONIC Cheeseburgers only.