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.
Seasons
Specials
3 episodes
Season 1
17 episodes
Sep 24, 2007
Season 2
23 episodes
Sep 22, 2008
Season 3
23 episodes
Sep 21, 2009
Season 4
24 episodes
Sep 23, 2010
Season 5
24 episodes
Sep 22, 2011
Season 6
24 episodes
Sep 27, 2012
Season 7
24 episodes
Sep 26, 2013
Season 8
24 episodes
Sep 22, 2014
Season 9
24 episodes
Sep 21, 2015
Season 10
24 episodes
Sep 19, 2016
Season 11
24 episodes
Sep 25, 2017
Season 12
24 episodes
Sep 24, 2018
Trailer
The Big Bang Theory Trailer · Opens on YouTube
