The Big Bang Theory

The Decoupling Fluctuation (Season 6, Episode 2)

TV-PG

TV Episode | 22 min | Comedy, Romance

Penny continues to have doubts about her relationship with Leonard. Meanwhile, Howard becomes the target of practical jokes on the space station.

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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 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)
Kevin Sussman Stuart Bloom Stuart Bloom See fewer	Burn After Reading (2008)
Pasha D. Lychnikoff Dimitri (as Pasha Lychnikoff) Dimitri (as Pasha Lychnikoff) See fewer	Deadwood (2004)
Michael Massimino Mike Massimino (as Mike Massimino NASA Astronaut) Mike Massimino (as Mike Massimino NASA Astronaut) See fewer	The Big Bang Theory (2007)
Stef Nico Guy at the Movies (uncredited) Guy at the Movies (uncredited) See fewer	Resident Evil: Extinction (2007)