Beware of spoilers for Season 7, Episode 9 of Young Sheldon. In this episode, a new character is introduced who has the potential to surpass Kaley Cuoco's portrayal of Penny in The Big Bang Theory. While Cuoco played Penny for 12 years, showing significant growth from an aspiring actress to a married medical rep, Mandy in Young Sheldon shows promise to be a standout character. Mandy's interactions with Georgie mirror Penny's relationships with Leonard and Sheldon, displaying a similar kindheartedness and understanding. Young Sheldon has the opportunity to explore Mandy's character further, potentially surpassing Penny's development in The Big Bang Theory. Don't miss Young Sheldon Season 7 airing every Thursday on CBS.