Friday night, Portland — it's on and poppin'. No really, today is National Popcorn Day, a holiday whose less-than-firm grip on the public conscience can only be explained by buttery fingers.

In Portland (and across the country), AMC Theatres will offer moviegoers unlimited popcorn refills no matter the size. But if you want to keep the kernel rolling at home, the kettle is overflowing when it comes to popcorn brands and stores in the Portland area. Here's where to find them.

Miss Hannah's Gourmet Popcorn | Bridgeport Village and online

Joe Brown's Caramel Corn | Lloyd Center and online

Rad Pop PDX | Rose City Rollers Flat Track Derby and at various Portland street fairs

Poplandia Popcorn | Store at 1138 SW Morrison St., Portland

PDXPop! | Online; proceeds support Meals on Wheels People

Ripcity Popcorn | Online; created to help support fundraising for schools, sports teams, etc.

Popcorn Cove | Stores at 8720 NE Centerpointe Dr., Ste. 219 and 13411 SE Mill Plain Blvd., Vancouver