The Big Bang Theory - Season 9, Episode 6 - Rotten Tomatoes

The Helium Insufficiency

EPISODE:

Episode Info

A helium shortage leads Sheldon and Leonard to do business with a dealer in the black market in order to acquire some of the element for an experiment they need to complete. Meanwhile, Penny and Bernadette download a dating app on Amy's phone in hopes that she'll connect with a new man.

Cast

Johnny Galecki
as Leonard Hofstadter
Jim Parsons
as Sheldon Cooper
Simon Helberg
as Howard Wolowitz
Kunal Nayyar
as Rajesh Koothrappali
Melissa Rauch
as Bernadette Rostenkowski
Mayim Bialik
as Amy Farrah Fowler
John Ross Bowie
as Barry Kripke
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The Helium Insufficiency Photos

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