Episode Titles: Monopolar
You are viewing a list of 1 The Big Bang Theory episode featuring "Monopolar" in their title.
The Monopolar Expedition
Season 2, Episode 23 - Aired May 11, 2009
When Sheldon is offered the opportunity to conduct research at the North Pole, he invites the rest of the guys along with him. The impending three-month expedition forces Penny & Leonard to reconsider their feelings for each other.