Where to watchThe Big Bang Theory (2007)

Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.

Director: Andrew D. Weyman, Howard Murray, Mark Cendrowski, Bob Koherr, Gay Linvill, Kristy Cecil, Anthony Joseph Rich, Nikki Lorre, James Burrows, Peter Chakos, Ted Wass, Joel Murray

Cast: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Melissa Rauch, Mayim Bialik, Kevin Sussman, John Ross Bowie, Carol Ann Susi