The Big Bang Theory | The Monopolar Expedition
Genre: Comedy
Director: Bill Prady, Chuck Lorre
Cast: Jim Parsons, Johnny Galecki, Kaley Cuoco, Kunal Nayyar, Mayim Bialik, Melissa Rauch, Simon Helberg
Description: : The guys' plan to work over the summer at the North Pole makes Penny revaluate her feelings for Leonard.