I’m trying to pull a group of dee-eff-dubs to join up in Pancake eati. Pancake Day. 12 02 2008. If you didn t know, today is Pancake Day and IHOP is giving away a stack of for free. Is Pancake Day at IHOP. they ll give you one free short stack. Of their famous. we ll give you one free short stack. Of our famous. No, but I do know today is Pancake Day. Today is Pancake Day! Betcha didn’t know there even was a pancake day!.