watch 01:11 The Loop (TV) Do you like this video? Parents Day is the Fourth of the Hey Arnold! chapter books, and is based on the episode with the same title. It was written by Craig Bartlett and Maggie Groening. "Gee, this is harder than I thought."This article is a stub. You can help Nickipedia by expanding it. Retrieved from "https://nickelodeon.fandom.com/wiki/Parents_Day_(book)?oldid=233255" Categories: Stubs Hey Arnold! books Community content is available under CC-BY-SA unless otherwise noted.