Size of this preview: 640 × 359 pixels. Other resolution: 320 × 180 pixels. Full resolution (download) (720 × 404 pixels, file size: 385 KB, MIME type: image/png) About File History There is no description yet. Add a description. Appears on these pages of Chalkboard gag A chalkboard gag, sometimes called a blackboard gag, is a running visual joke that occurs during... I Won't Be Home for Christmas/Gags Maggie Simpson and Gerald Samson File history Click on a date/time to view the file as it appeared at that time. Date/TimeThumbnailDimensionsUserComment current02:18, December 9, 2014720 × 404 (385 KB)Liquidbabydoll (wall | contribs) Read more Couch Gag Opening Sequence Billboard gag Retrieved from "http://simpsons.wikia.com/wiki/File:Bartchalkbaord2.png?oldid=586860"