

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.

Season 1
17 episodes

Season 2
23 episodes

Season 3
23 episodes

Season 4
24 episodes

Season 5
24 episodes

Season 6
24 episodes

Season 7
24 episodes

Season 8
24 episodes

Season 9
24 episodes

Season 10
24 episodes

Season 11
24 episodes

Season 12
24 episodes

Johnny Galecki
Leonard Leakey Hofstadter

Jim Parsons
Sheldon Lee Cooper

Simon Helberg
Howard Joel Wolowitz

Kunal Nayyar
Rajesh Ramayan Koothrappali

Kaley Cuoco
Penny

Melissa Rauch
Bernadette Marianne Rostenkowski

Mayim Bialik
Amy Farrah Fowler

Kevin Sussman
Stuart Bloom