The Big Bang Theory' premiered nearly two decades ago — and the TV universe has only grown with three spinoffs ...

An intellectual like Jessica would fit right in with The Big Bang Theory crowd, and arguably would be a great fit for Raj on a romantic level, too. Only graduating at the age of 19 from university ...

Over a decade of Jim Parsons' life was dedicated to playing Sheldon Cooper on The Big Bang Theory, and he knows the association will last forever.