From The TV IV

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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 5 External Sites

[edit] Cast

Actor	Character	Duration
Billed Cast
Johnny Galecki	Dr. Leonard Leakey Hofstadter	1	2
Jim Parsons	Dr. Sheldon Cooper	1	2
Kaley Cuoco	Penny	1	2
Simon Helberg	Howard Wolowitz	1	2
Kunal Nayyar	Dr. Rajesh "Raj" Koothrappali	1	2
Sara Gilbert	Dr. Leslie Winkle	1	2
Supporting/Recurring Cast
Mark Harelik	Dr. Eric Gablehauser	1	2
Season numbers in red indicate a recurring or guest role in that season.

[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	2010	—
Season Four	Fall 2010	2011	—

[edit] In-Depth

• At a Glance: Additional information about the series

[edit] DVD Releases

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