"IT'S TOO SMALL!" This article is a stub and is in need of expansion. You can help the Angry Grandpa Wiki by expanding it. Happy Birthday Angry Grandpa is a video uploaded on TheAngryGrandpaShow Youtube channel on October 16, 2018. Retrieved from "https://angrygrandpa.fandom.com/wiki/Happy_Birthday_Angry_Grandpa_(2018_Episode)?oldid=23314" Categories: Article stubs Videos Episodes Angry Grandpa episodes Community content is available under CC-BY-SA unless otherwise noted.