The Big Bang Theory The Higgs Boson Observation (Season 6, Episode 3)
TV-PG
TV Episode | 19 min | Comedy, Romance

Primary photo for The Higgs Boson Observation

The Big Bang Theory

The Higgs Boson Observation (Season 6, Episode 3)

TV-PG

TV Episode | 19 min | Comedy, Romance

When Sheldon hires a female grad student to assist him, a jealous Amy asks Penny to help her spy on them. On the space station, Howard begins behaving erratically.

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Cast	+ Add Cast
9 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 Penny 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)
Pasha D. Lychnikoff Dimitri (as Pasha Lychnikoff) Dimitri (as Pasha Lychnikoff) See fewer	Deadwood (2004)
Margo Harshman Alex Jensen Alex Jensen See fewer	Fired Up! (2009)