Overview
The Big Bang Theory is a comedy about brilliant physicists, Leonard and Sheldon, who are the kind of "beautiful minds" that understand how the universe works. But none of that genius helps them interact with people, especially women. All this begins to change when a free-spirited beauty named Penny moves in next door. Sheldon, Leonard's roommate, is quite content spending his nights playing Klingon Boggle with their socially dysfunctional friends, fellow Cal Tech scientists Wolowitz and Koothrappali. However, Leonard sees in Penny a whole new universe of possibilities... including love.
P.S. Bugagashenka!
Many people say that the series has lost a lot from switching its focus to romantic relationships, but I think the development of the characters here is very harmonious and natural. After all, 10 years have passed and people have grown up. I'm sure that watching 10 seasons of jokes about Raj's inability to talk to girls or Sheldon's antisociality would have been so depressing that the series would have been shut down in season 4.