The Big Bang Theory
“Smart is the new sexy.”
Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.
Story Guide
Series Overview
Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.
Episode Guide
Seasons
Browse every available season and open an episode guide.
Season 0
Specials
3 episodes
TBA
Season 1
Season 1
17 episodes
September 24, 2007
Season 2
Season 2
23 episodes
September 22, 2008
Season 3
Season 3
23 episodes
September 21, 2009
Season 4
Season 4
24 episodes
September 23, 2010
Season 5
Season 5
24 episodes
September 22, 2011
Season 6
Season 6
24 episodes
September 27, 2012
Season 7
Season 7
24 episodes
September 26, 2013
Season 8
Season 8
24 episodes
September 22, 2014
Season 9
Season 9
24 episodes
September 21, 2015
Season 10
Season 10
24 episodes
September 19, 2016
Season 11
Season 11
24 episodes
September 25, 2017
Season 12
Season 12
24 episodes
September 24, 2018
Credits
Featured Cast
Select a cast member to open their profile and filmography.
Johnny Galecki
Leonard Hofstadter · 279 episodes
Jim Parsons
Sheldon Cooper · 279 episodes
Kaley Cuoco
Penny · 279 episodes
Simon Helberg
Howard Wolowitz · 279 episodes
Kunal Nayyar
Rajesh Koothrappali · 279 episodes
Melissa Rauch
Bernadette Rostenkowski · 221 episodes
Mayim Bialik
Amy Farrah Fowler · 217 episodes
Kevin Sussman
Stuart Bloom · 84 episodes
Carol Ann Susi
Debbie Wolowitz (voice) · 40 episodes
John Ross Bowie
Barry Kripke · 25 episodes
Laura Spencer
Emily Sweeney · 17 episodes
Wil Wheaton
Wil Wheaton · 17 episodes
Behind the Series
Key Crew
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