Size of this preview: 632 × 480 pixels. Other resolution: 316 × 240 pixels. Full resolution (download) (790 × 600 pixels, file size: 488 KB, MIME type: image/png) About File History There is no description yet. Add a description. Appears on these pages of List of chalkboard gags The following is a list of chalkboard gags seen on The Simpsons. The Boy Who Knew Too Much/Gags Chalkboard Gag There are plenty of businesses like show business. Add a photo to this gallery... File history Click on a date/time to view the file as it appeared at that time. Date/TimeThumbnailDimensionsUserComment current10:36, May 5, 2012790 × 600 (488 KB)Caprice1996 (wall | contribs) Read more List of title screen gags Bart's prank calls List of couch gags in episodes Retrieved from "http://simpsons.wikia.com/wiki/File:Simpsons-businesses.png?oldid=294424"