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The Big Bang Theory

Series 9 Episode 6: The Helium Insufficiency

Leonard and Sheldon go to great lengths to secure the helium they need during a nation-wide shortage; Bernadette and Penny try to to find Amy a new man on a dating app.

Category: Sitcom
Original air date: 26/10/2015

Cast and crew

Mark CendrowskiDirector
Johnny GaleckiLeonard Hofstadter
Jim ParsonsSheldon Cooper
Kaley CuocoPenny
Simon HelbergHoward Wolowitz
Kunal NayyarRaj Koothrappali
Mayim BialikAmy Farrah Fowler
Melissa RauchBernadette Rostenkowski
Kevin SussmanStuart
John BowieBarry Kripke
Michael RapaportKenny Fitzgerald
Elena Campbell-MartinezMaria

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