Episode Titles: Helium
You are viewing a list of 1 The Big Bang Theory episode featuring "Helium" in their title.
Season 9, Episode 6 - The Helium Insufficiency
Aired October 26, 2015
In the midst of a nation-wide helium shortage, Sheldon and Leonard take desperate measures to get the supplies they need. Also, Penny and Bernadette download a dating app on Amy's phone to try and find her a new man.