Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.
Johnny Galecki
Leonard Hofstadter
Jim Parsons
Sheldon Cooper
Kaley Cuoco
Penny
Simon Helberg
Howard Wolowitz
Kunal Nayyar
Rajesh Koothrappali
Melissa Rauch
Bernadette Rostenkowski
Mayim Bialik
Amy Farrah Fowler
The Big Bang Theory - Science is dead
The Big Bang-Sheldon's "Romantic" Christmas Gift
Season 1 Episode 1 Clip
Merry Newtonmas!
The Big Bang Theory Intro Full Version
The Big Bang Theory - Sheldon and Penny Exchange Presents
