The Big Bang Theory Bumps Featured Characters Up to Regulars

Melissa Rauch and Miyam Bialik have been promoted from recurring characters to regulars. A welcome change, methinks, and one I saw coming with last week's episode in which the geeks and girls had their own, separate adventures.

considering the new dynamic, it looks like The Big Bang Theory is attempting to become the Friends of this decade. But will that water down the blessed geekiness?