TV Series :: The Big Bang Theory :: Episode Summary :: The Monopolar Expedition (02x23)

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The Big Bang Theory :: The Monopolar Expedition (02x23)

Title:

The Monopolar Expedition

Episode #:

02x23

Production Number:

223

Original Airdate:

Monday May 11th, 2009

8.3/10 (23 Votes cast)

Episode Crew
Director:	Mark Cendrowski
Writer:	Eric Kaplan Richard Rosenstock

Leonard and Penny come to terms with their feelings for each other, as Leonard prepares himself for a three-month long science trip.

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Guest Stars
•Alice Amter	played	Mrs. Koothrappali	Recurring (second appearance)
•Brian George (2)	played	Dr. Koothrappali	Recurring (second appearance)
•Carol Ann Susi	played	Mrs. Wolowitz	Recurring (7th appearance)

•Simon Helberg	played	Howard Wolowitz
•Kunal Nayyar	played	Rajesh Ramayan Koothrappali
•Kaley Cuoco	played	Penny
•Johnny Galecki	played	Leonard Leakey Hofstadter
•Jim Parsons	played	Sheldon Cooper