The Big Bang Theory The Helium Insufficiency (Season 9, Episode 6)
TV Episode | 19 min | Comedy, Romance

Primary photo for The Helium Insufficiency

The Big Bang Theory

The Helium Insufficiency (Season 9, Episode 6)

TV Episode | 19 min | Comedy, Romance

Leonard and Sheldon go to great lengths to secure the helium they need during a nation-wide shortage. Meanwhile, the rest of the gang try to find Amy a new boyfriend on a dating app.

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Cast	+ Add Cast
11 cast members

Name	Known for
Johnny Galecki Leonard Hofstadter Leonard Hofstadter See fewer	The Big Bang Theory (2007)
Jim Parsons Sheldon Cooper Sheldon Cooper See fewer	The Big Bang Theory (2007)
Kaley Cuoco Penny Hofstadter Penny Hofstadter See fewer	The Big Bang Theory (2007)
Simon Helberg Howard Wolowitz Howard Wolowitz See fewer	Florence Foster Jenkins (2016)
Kunal Nayyar Raj Koothrappali Raj Koothrappali See fewer	The Big Bang Theory (2007)
Mayim Bialik Amy Farrah Fowler Amy Farrah Fowler See fewer	Beaches (1988)
Melissa Rauch Bernadette Rostenkowski Bernadette Rostenkowski See fewer	The Big Bang Theory (2007)
Kevin Sussman Stuart Bloom Stuart Bloom See fewer	Burn After Reading (2008)
John Ross Bowie Barry Kripke Barry Kripke See fewer	Speechless (2016)
Michael Rapaport Kenny Fitzgerald Kenny Fitzgerald See fewer	Deep Blue Sea (1999)
Elena Campbell-Martinez Maria Maria See fewer	The Rookie (2018)