The Big Bang Theory: 21 Easter Eggs You Probably Missed

In several comic book store scenes, bumper stickers with www.thecomiccenter.com and a QR code are seen at the counter, and yes, at one time it led to a fully functioning website set up by the show's creators.

It contained many photos of the cast hanging out there, with a list of events stating Mystic Warlords of Ka’a tournament every Thursday at 8, much like the one Sheldon attends with Wil Wheaton. Unfortunately the website no longer exists, but it did offer a unique insight into the Big Bang world.