Sonic Drive Corn Dog Promo

On Halloween, SONIC will bring back its iconic 50-cent corn-dog deal for one day only.

The drive-in eatery is also bringing back its popular Trick or Treat Blast, which mixes vanilla or chocolate soft serve with Heath, M&M's Minis, and Oreo Cookie pieces.

Starting Monday, every week leading up to Halloween, customers who order ahead in the SONIC app will have access to an array of freebies with another purchase.

From Oct. 20-26 deals include a free SONIC Cheeseburger, free Small Classic Shake, free Small Premium Chicken Bites, and free Medium Tots or Groovy Fries.

From Oct. 27 to Nov. 2, deals include a free entree, free Trick or Treat Blast, free medium Slush, and free small snack or side.