National Cheeseburger Day is Saturday, September 18. In honor of this delicious occasion, many of your favorite burger joints are offering limited-time offers and freebies. From Burger King to Wayback Burger, here are all the National Cheeseburger Day deals you need to know.

Applebee’s: Last year, the restaurant was offering its Burger Bundle for just $8.99, including any “Handcrafted Burger, including the Quesadilla or Whisky Bacon burgers. Plus, an order of classic fries and a soft drink. All guests had to do is select the Burger Bundle option from the menu to order for dine-in, to-go or delivery. Price and participation varied by location.

Black Tap: Black Tap is going BIG this National Cheeseburger Day (September 18) and offering free cheeseburgers! The first 100 customers to submit their emails on Black Tap’s dedicated National Cheeseburger Day website will win a complimentary cheeseburger with any purchase (food or drink). This offer is available at Black Tap’s Vegas, Anaheim and New York (Soho and Midtown) locations and select international locations.

BurgerFi: On September 18, they are having sweepstakes to win a free A+ Meal (BurgerFi cheeseburger, fresh-cut fries and a freestyle beverage) for a year. The contest will go live on National Cheeseburger Day via social media and BurgerFi will announce the winner on September 24.

Burger King: This popular fast-food chain has some offers: Double Cheeseburger Meal (one double cheeseburger, small fries and small drink); or a $3 Snack Box (one cheeseburger, medium fries, 10 nuggets and a small beverage).

Denny’s: The restaurant debuted two, new cheeseburger-friendly Family Packs last year: the four-serving Cheeseburger Pack; and the Breakfast & Cheeseburger Combo Pack. The Cheeseburger Pack includes four beef patties, buns, cheese, toppings and wavy-cut fries. The breakfast version has pancakes, eggs, bacon, sausage, hash browns, plus two cheeseburgers with fries. Join Denny’s Rewards, and receive 20% off your next order.

Dog Haus: On National Cheeseburger Day, you can score a cheeseburger for only $5 for in-store or takeout at any of the participating locations.

Domino’s: This is quite an interesting take on a pizza! In August last year, the pizza chain launched its new Cheeseburger Pizza, made with a ketchup-mustard sauce, American cheese, beef, onions, tomatoes, shredded provolone and cheddar cheese. There’s also a Chicken Taco Pizza!

Farmer Boys: On September 18 in 2020, you could get a great deal from Farmer Boys. They were offering their Big Cheeseburgers from 2 to 5 p.m. for just $2! The Big Cheese is made with a 1/4 pound of fresh, 100% USDA beef topped with American cheese, lettuce, tomato, sliced onions, dill pickles, and thousand island dressing on a sesame seed bun.

Friendly’s: On September 18, Friendly’s is celebrating National Cheeseburger Day with a free medium sundae with any burger purchase. This offer is for Sweet Rewards members and will be loaded onto their accounts to use on that day.

Halo Burger: This popular restaurant was offering Halo Rewards members a $1.97 QP Burger (their #1 selling sandwich) if you signup before September 18 last year.

Marshmello knows how to get spooky!