Théorie du Big Bang

Big Bang Theory Cast Autographs & Memorabilia for Fans

Celebrate the Big Bang Theory, one of television’s most beloved sitcoms, with authentic cast autographed posters, cards, decals, and collectibles. Over 12 seasons and seven Emmys, the series entertained millions with its humor and cultural references. Our collection features rare San Diego Comic-Con exclusives authenticated by JSA, alongside unsigned promo cards, stickers, and memorabilia. Each piece captures the charm of Sheldon, Leonard, Penny, and the rest of the cast, making it a perfect addition for fans and collectors. Shop Big Bang Theory memorabilia today—add a premium highlight from a sitcom that defined an era.