Sonic Drive-In Restaurant: Any Size or Flavor Master or Classic Shake for Half-Price (50% Off)

Note, product/participation may vary by location. Discount will automatically apply to qualifying items

* Sonic's Drive-In Master Shakes
* Sonic's Drive-In Classic Shakes

Shakes are half-price in any size or flavor
Discount will automatically apply in the app, online and at the drive-in
Excludes Red Velvet Cake batter Shake
Tax/add-ins cost extra
Offer not valid w/ combos, delivery or any other offers
Offer valid only on Mondays from November 4, 2024 through December 16, 2024