The Portillo's hot dog mascot will also make special appearances at certain locations throughout the week.
You can get yourself a nice hot dog with some mustard, ketchup or relish on top and for cheap.
Snag a $1 hot dog from Sonic all day! Some are even giving away free hot dogs.
Hwy 55 Burgers, Shakes & Fries: Get a hot dog for 99 cents on Wednesday, July 18, 2018, from 2-5 p.m. when you download the My Hwy 55 App by Wednesday, 7/18.
The mascot's location will be given throughout the day on Portillo's Twitter and Instagram accounts. At Dog Haus, you can get a free Haus Dog on National Hot Dog Day when you download their app and register.
Ballpark history: Hot dogs are the MVP at Major League Baseball parks and became standard fare in 1983.
Sonic Drive-In: Corn Dogs are 99 cents every day from 2 pm - 4 pm at participating Sonic locations.
Get Big Bite hot dogs at 7-Eleven for only $1 on July 18.
Wienerschnitzel: Get five Original Chili Dogs for $5 at participating locations Wednesday.