Summer just got a whole lot sweeter thanks to Sonic’s nostalgic slush revival. After disappearing from menus for years, Watermelon and Lemonberry are finally making a splashy return. Fans have ...

Sonic is also offering half-price Sonic shakes in any size or flavor after 5 p.m. starting May 19. "Nothing says summer like a cool treat after a hot day," Sonic said.

Sonic Drive-In is bringing back Watermelon and Lemonberry Slushes for a limited time due to popular demand. The fast-food chain is also introducing Cheesy Garlic Pepperoni Bites. Half-price shakes ...

Sonic Drive-In is releasing a new Unicorn Dreams Slush on May 5th. A collectible unicorn horn straw will be included free with each purchase while supplies last. The slush will be available ...