Kelly Tyko | USA TODAY

USA TODAY

Sunday is a day to save some dough.

Feb. 9 is National Pizza Day and businesses across the nation are celebrating with discounted pizza and other specials. Through rewards programs and signup offers, you also can score a free slice or pie.

One of the best pizza deals isn't at a restaurant but at the gym.

Planet Fitness is hosting “an epic carbs and cardio pizza, bagel and workout party” Sunday at its approximately 2,000 U.S. locations and everyone is invited, even if they’re not a member.

From 7 to 10 a.m., there will be free bagels, and from 4 to 7 p.m., there will be free pizza, while supplies last. Planet Fitness also is inviting anyone 18 and older to work out for free Sunday with valid photo ID.

In the past, National Bagel Day also was held on Feb. 9, but the hole-y day moved to mid-January this year to avoid sharing the spotlight with pizza.

According to an analysis by Womply, a small business software provider, local pizza restaurants expect higher than usual foot traffic for the food day. With the Academy Awards Sunday, pizzerias and delivery services also could be busy.

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National Pizza Day, Oscar night deals

The following offers are available Sunday, Feb. 9, at participating locations unless otherwise noted. To be on the safe side, check with your closest location before heading out. Some will require you to have a restaurant's app or be signed up for emails.

&pizza: Through Sunday, buy any pizza and get one OG (signature) for $3 at all locations.

BJ's Restaurant and Brewhouse: Through Sunday, get $10 off an order of $40 or more with a coupon in-store or online with promo code 10OFF40.

Blaze Pizza: Get a free large, Build-Your-Own Pizza with a $25 minimum purchase on Postmates Sunday with code PIZZADAY.

CAULIPOWER: The cauliflower pizza brand is giving away a year’s supply of pizza to "parents expecting a bundle of joy to arrive on the greatest day of the year." On Sunday, go to www.bornonpizzaday.com to sign up for a chance to send friends, family members or yourself a year’s supply of CAULIPOWER pizza" with other baby essentials. Offers will be available on a first come, first serve basis.

The Cheesecake Factory: Through Feb. 12, get a free slice of cheesecake with online pickup orders of $30 or more. To get the free slice, add a slice of cheesecake or layer cake to qualifying orders and use the promotion code FREESLICE at checkout. Limit one free slice per purchase and this offer is not valid on DoorDash orders.

Chipotle Mexican Grill: Not a pizza deal, but every Sunday in February is Free Delivery Sunday. Get free delivery on all orders $10 or more online or with Chipotle's app.

Chuck E. Cheese’s: From Sunday through Feb. 14, purchase any large pizza and get a free upgrade to an xlarge pizza. Find other deals at www.chuckecheese.com.

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Cicis: Through Sunday, get three, large one-topping pizzas for $5 each with carryout orders with this coupon.

Domino's: With the mix and match special, choose two menu items for $5.99 each. Items include medium two-topping pizzas, Specialty Chicken, eight-piece chicken wings or boneless wings and more.

Einstein Bros. Bagels: Through Sunday, Shmear Society Rewards members can get two pizza bagel slices for $3 with purchase and a coupon. If you're not a member, sign up at www.einsteinbros.com/pizzabagel.

Jet's Pizza: Through the end of February, get the chain's Chicken Bacon Ranch Pizza for $13.99 online with the code RANCH.

Hungry Howie’s: Large one-topping pizzas are $5.99 Sunday for carry out orders at participating locations.

Kolache Factory: Buy three Kolache, get three free Sunday when you say "National Pizza Day." No coupon is needed but you have to ask for the offer.

Mountain Mike’s Pizza: From Sunday through Feb. 23, buy any two medium pizzas and get $5 off with promo code 160378.

Newk's Eatery: New cauliflower pizza crust options are now available on all pies on Newk's pizza menu for an extra $3.

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Papa Gino’s: The chain is loading a free slice of pizza on all active and registered reward members. Sign up for the rewards program at www.papaginos.com/rewards.

Papa John's: Get 30% off regular menu price large pizzas Sunday with promo code PIZZADAY.

Pie Five Pizza: Get one large pizza for $10 Sunday.

Pieology: Through Feb. 15, get free delivery on orders placed online or through the app. Pie Life members also can get a free upgrade to the new "anti-crust" Protein Style Chicken Base for the week.

Pizza Hut: The pizza chain says it's extended its $10 Meat Lovers promotion through Sunday.

PizzaRev: Get any pizza for $6 Sunday. No coupon or voucher needed.

Planet Fitness: From 7 to 10 a.m. Sunday, there will be free bagels, and then from 4 to 7 p.m.,, there will be free pizza while supplies last. Planet Fitness also is inviting anyone 18 and older to work out for free Sunday with valid photo ID.

Uno Pizzeria & Grill: The chain will have a takeout deal Sunday for National Pizza Day, but the offer varies by location.

More deals: Smaller chains also will have deals Sunday. Search on social media for #NationalPizzaDay.

Earn free pizzas, deals and rewards

Here's how to save year-round with pizza rewards programs and ongoing specials:

Blaze Pizza: Join Blaze Rewards for discounts and freebies at www.blazepizza.com.

California Pizza Kitchen: Get a free small plate for signing up for CPK Rewards at www.cpk.com.

Chuck E. Cheese’s: Join More Cheese Rewards and get a free personal one-topping pizza on your next visit, earn $10 after every three visits within one year with a $20 minimum spend, rewards for your child’s birthday and half-birthday and more. Sign up at www.chuckecheese.com.

Domino’s: Earn points toward a free pizza with the Piece of the Pie Rewards program.

Donatos: Find special offers at www.donatos.com/offers.

Giordano's: Join the chain's G-Club at www.giordanos.com/join and get a free appetizer.

Godfather's Pizza: Join Godfather's Pizza Rewards and get a free one-topping pizza with the purchase of breadsticks or cheesesticks when you sign up. Offer varies by location.

Hungry Howie's: Sign up for Howie Rewards at www.hungryhowies.com/howierewards.

Imo's Pizza: Get a free regular order of Provel Cheese Bites when you register for the chain’s rewards program at www.imospizza.com/rewards.

Jet's Pizza: Sign up for the Crunch Club for offers at www.jetspizza.com/crunchclub.

Marco's Pizza: Join the email club for discounts at www.marcos.com/email-club.

Mazzio’s Italian Eatery: Find coupons and deals at www.mazzios.com/coupons.

Mountain Mike’s Pizza: Join the coupon club at www.mountainmikespizza.com.

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Papa Gino's: Join the rewards program at www.papaginos.com/rewards.

Papa John's: With Papa Rewards, earn points toward free pizza, desserts and more. Sign up at www.papajohns.com/papa-rewards.

Pieology: Join Pieology's Pie Life rewards program at www.pieology.com/pie-life.

Pizza Hut: Sign up for Hut Rewards to earn free pizza at www.pizzahut.com.

Pizza Inn: Earn freebies and get exclusive offers with Pizza Inn Rewards including a free Medium Chocolate Chip Pizzert for signing up at www.pizzainn.com/rewards.

Pizza Ranch: Find deals and coupons at www.pizzaranch.com.

Round Table Pizza: Sign up for offers at www.roundtablepizza.com.

Sbarro's: Join The Slice Society and get a coupon within 24 hours for a free NY XL slice with purchase of a beverage. Sign up at www.sbarro.com.

Toppers Pizza: Find deals at www.toppers.com.

Uno Pizzeria & Grill: Join Uno's Insider Club for discounts and get a free gift for signing up at www.unos.com.

Yard House: Pizzas are half-priced during traditional and late night happy hours. Happy hour days and times vary by location and are posted at www.yardhouse.com.

Contributing: Susan Selasky, Detroit Free Press