Why is Missy barely into the Big Bang Theory?

Missy is a standout character in CBS’s Young Sheldon, so it’s curious why The Big Bang Theory barely featured Sheldon’s twin sister.

Missy (Courtney Henggeler) was barely in The Big Bang Theory despite his popularity in Young Sheldon – but why was that? After CBS tackled the story of Sheldon (Jim Parsons) and his friends’ adventures in Pasadena, the network changed its narrative to explore the socially inept genius’ childhood in Texas. Instead of just focusing on Sheldon, however, Young Sheldon also spotlights the rest of the Cooper family, including his twin sister, Missy.


Like most members of the Cooper family, she was already an established character thanks to Missy’s appearance in The Big Bang Theory. After Mary (Laurie Metcalf), Sheldon’s sister was the second clan member to make a physical appearance on the geek-centric sitcom in the Season 1 episode “The Porkchop Indeterminacy.” On the outing, the rest of the Pasadena gang marveled at the difference between the twins. Luckily for her, Penny (Kaley Cuoco) was there to offer her support. However, after Missy’s initial The Big Bang Theory guest appearance, she would not return to the show until a decade later for Sheldon’s wedding.

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Given Missy’s notoriety and popularity on Young Sheldon, it’s curious why The Big Bang Theory didn’t take advantage of it and introduced her more like they did with Mary. However, there are a few answers to this question. Narratively, it didn’t seem like Sheldon and Missy were that close when she first appeared, so it only made sense that they had limited contact, as Mary generally sought out and pampered Sheldon. Considering their strong bond, it’s understandable that the two have kept in touch regularly. It should also be noted that after visiting Pasadena for the first time, Missy eventually got married and had children. This kept her busy for years, making it difficult for her to travel to California to spend time with Sheldon. Behind the scenes, CBS had no idea just how popular Missy would become in Young Sheldon, meaning the network hasn’t made a conscious effort to bring her back to the long-running sitcom more frequently.

Young Sheldon would have been better off with Missy in TBBT

It would have been better for TThe Big Bang Theory if he introduced Missy more frequently. Seeing the socially inept genius’ different dynamic with his twin would add a layer of complexity to his character, as someone could either back up or debunk Sheldon’s childhood tales, especially as they relate to patriarch George (Lance Barber) . Beyond The Big Bang Theory, it would also have greatly benefited Young Sheldon. Instead of just Sheldon, the prequel series could also focus more on his sister as it highlights how much she’s changed (or stayed the same) over the years. Perhaps it would have even allowed CBS to turn away from its unfair portrayal of Missy in The Big Bang Theory. The geek-centric sitcom has portrayed her as the least successful Cooper sister in the traditional sense, which is hard to believe given her intelligence and maturity. Young Sheldon.

As CBS continues to make Young Sheldon more of a family comedy-drama than just a sitcom like The Big Bang Theory, audiences can reasonably expect Missy to focus more on the future. Towards the end of Young Sheldon season 5, she primarily provided everyone with the emotional support they needed as the Coopers dealt with their respective crises. It highlighted what a terrific character she really is, leaving audiences hoping that Young Sheldon season 6 gives him enough screen time to focus on his own storylines.

Sharon D. Cole