No higher resolution available. Iso4.jpg (download) (624 × 352 pixels, file size: 41 KB, MIME type: image/jpeg) About File History Is the gal Melissa McCarthy? Appears on these pages of Raj/Gallery - Female Friends Add an image Bernadette."> The Hofstadter Isotope "The Hofstadter Isotope" is the twentieth episode of the second season of the American sitcom... File history Click on a date/time to view the file as it appeared at that time. Date/TimeThumbnailDimensionsUserComment current03:17, October 12, 2012624 × 352 (41 KB)Physicsisphun! (wall | contribs) Read more The Zarnecki Incursion The Plimpton Stimulation The Killer Robot Instability Retrieved from "http://bigbangtheory.wikia.com/wiki/File:Iso4.jpg?oldid=144601" Ad blocker interference detected! Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.