In 2015, White Castle introduced National Slider Day, honoring its original steamed slider with onions. So prolific is the ...

You can get a free Original Slider at White Castle on May 15 to celebrate National Slider Day. No purchase is required. The ...

White Castle is celebrating National Slider Day by honoring customers with free sandwiches and money-saving deals. According ...

Smalls Sliders has announced the return of its National Slider Day promotion to honor each location’s Smalls Rewards loyalty members. Slidin’ thru Smalls Sliders Cans on May 15, the brand’s loyalty ...

Get ready to slide into a new level of fast-food fashion. White Castle and Heelys have teamed up for an unexpected, playful, and undeniably nostalgic collaboration: the “Slider Riders” collection.

As the restaurant industry’s “value wars” heat up, Krystal is leaning into its legacy and consumer demand for affordable indulgence. This May, Krystal is activating two high-impact national food ...

White Castle is continuing its tradition of offering a complimentary original slider to commemorate National Slider Day.