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The Big Bang Theory is a comedy that airs on CBS.

Contents 1 Cast 2 Seasons 3 In-Depth 4 DVD Releases 4.1 DVD 4.2 Blu-ray 5 External Sites

[edit] Cast

Actor	Character	Duration
Main Cast
Johnny Galecki	Dr. Leonard Leakey Hofstadter	1	2	3
Jim Parsons	Dr. Sheldon Cooper	1	2	3
Kaley Cuoco	Penny	1	2	3
Simon Helberg	Howard Wolowitz	1	2	3
Kunal Nayyar	Dr. Rajesh "Raj" Koothrappali	1	2	3
Supporting/Recurring Cast
Carol Ann Susi	Mrs. Wolowitz (voice)	1	2	3
Sara Gilbert	Dr. Leslie Winkle	1	2	3
Kevin Sussman	Stuart		2	3

[edit] Seasons

Season	Premiere	Finale	#
CBS
Season One	September 24, 2007	May 19, 2008	17
Season Two	September 22, 2008	May 11, 2009	23
Season Three	September 21, 2009	May 24, 2010	23
Season Four	September 23, 2010	—	—

[edit] In-Depth

• At a Glance: Additional information about the series

[edit] DVD Releases

[edit] DVD

Title	Release Date	#
Season Sets
The Complete First Season	September 2, 2008	3	purchase
The Complete Second Season	September 15, 2009	4	purchase
The Complete Third Season	September 14, 2010	3	purchase

[edit] Blu-ray

Title	Release Date	#
Season Sets
The Complete Third Season	September 14, 2010	2	purchase

[edit] External Sites

• Official CBS website for The Big Bang Theory
• The Big Bang Theory Episodes, TV Listings, News, Photos and More at TVGuide.com
• Official Site for The Big Bang Theory on DVD