SONIC Nights(SM) is Back with All-New Ice Cream Cookie Sandwiches and Half-Price Shakes after 8 p.m.
OKLAHOMA CITY--(BUSINESS WIRE)--Mar 28, 2019--Half-price Shakes* after 8 p.m. are officially back at SONIC Drive-In. Stop by to try a thick and creamy Hand-Mixed Master Shake or Cl…
