Aired Thursday 26 December, 8:30pm - 9:00pmon E4 Extra

The Big Bang Theory

Series 2 Episode 23: The Monopolar Expedition

Leonard and Penny reconsider their feelings for one another, but is there a future for them when Leonard and his friends decide to spend the summer working at the North Pole?

Category
Sitcom
Original air date
11/05/2009
Cast and crew
  • Mark CendrowskiDirector
  • Johnny GaleckiLeonard Hofstadter
  • Jim ParsonsSheldon Cooper
  • Kaley CuocoPenny
  • Simon HelbergHoward Wolowitz
  • Kunal NayyarRaj Koothrappali
+ Show all cast and crew