Stacking different flavors of Pringles together to come up with new combinations is a premise that has played out in each of the Kellogg Co. brand’s Super Bowl ads, all from Grey Group. When Pringles announced its return in December, it shared that “Pringles looks to build on previous years with a spot that features the hilarious consequences that occur when people get engrossed in Pringles Flavor Stacking combinations.”