Celebrate National Cheeseburger Day in Waterloo with a $3.49 Jr. Cheeseburger!

National Cheeseburger Day is finally here, and Sam's Grill is celebrating with a massive deal at our Waterloo location! We believe a great burger shouldn't break the bank, and there's no better day to prove it. On Friday, September 18, 2026, we are serving up our famous, fresh, hand-pressed Jr. Cheeseburgers for only $3.49. There are no hoops to jump through and absolutely no minimum spend required to unlock this deal. Just walk in, order, and enjoy! Where to get your $3.49 Jr. Cheeseburger: Location: Sam's Grill Waterloo Address: 655 Parkside Dr Unit F2, Waterloo Hours: 11am to 9pm Mark your calendars, grab your friends, and come hungry! Terms & Conditions: Valid Friday, September 18, 2026 only, from open to close. This offer is valid for in-store walk-in orders only and is not valid on online, app, phone, or third-party delivery orders. It cannot be combined with any other offer, promotion, coupon, or discount code. There is no minimum purchase required, and the offer applies exclusively to the Jr. Cheeseburger. Available while supplies last at participating locations only.