Straight from IHOP's website:
Flip for Free Pancakes!
February 23, 2010Join IHOP to celebrate National Pancake Day on Tuesday, February 23, 2010. From 7 a.m. to 10 p.m., we'll give you one free short stack (three) of our famous buttermilk pancakes.* All we ask is that you consider making a donation to support local children's hospitals through Children's Miracle Network, or other local charities.