The Big Bang Theory

The Monopolar Expedition

E23    May 11, 2009    21m    TV-PG
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The guys' plan to work over the summer at the North Pole makes Penny revaluate her feelings for Leonard.
Where to Watch The Monopolar Expedition
Cast of The Monopolar Expedition
  • Johnny GaleckiLeonard Hofstadter
  • Jim ParsonsSheldon Cooper
  • Kaley CuocoPenny
  • Simon HelbergHoward Wolowitz
  • Kunal NayyarRajesh Koothrappali
  • Alice AmterMrs. Koothrappali
  • Brian GeorgeV.M. Koothrappali
  • Carol Ann SusiDebbie Wolowitz (voice)

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