When The Big Bang Theory first aired in 2007, Penny rapidly became a central cast member of the sitcom. Although her inclusion helped balance the social awkwardness of the group with attractiveness ...

The Big Bang Theory’s creator’s comment on Penny’s botched portrayal in season 1 makes one Penny story in The Big Bang Theory ...

With Young Sheldon being a prequel to The Big Bang Theory, there are a lot of connections, but these characters are easy to miss.