Love it or hate it, The Big Bang Theory is one of the biggest sitcoms of the last 15 years. So when CBS announced a spin-off, Young Sheldon, many fans were skeptical about whether it could live up to the original. Surprisingly, not only did Young Sheldon match the success of The Big Bang Theory, but many fans now consider it the superior show. It’s rare for a spin-off to outshine its predecessor—but even rarer is a spin-off getting another spin-off that actually works.