The Big Bang Theory/The Proton Displacement

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The Proton Displacement
Season 7, Episode 7
Airdate November 7, 2013
Production Number 4X5307
Teleplay by Steven Molaro &
Eric Kaplan &
Jim Reynolds
Story by Chuck Lorre &
Maria Ferrari &
Anthony Del Broccolo
Directed by Mark Cendrowski
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The Big Bang TheorySeason Seven
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The Proton Displacement is the seventh episode of the seventh season of The Big Bang Theory, and the one hundred forty-second episode overall.

Starring: Johnny Galecki (Dr. Leonard Hofstadter), Jim Parsons (Dr. Sheldon Cooper), Kaley Cuoco (Penny), Simon Helberg (Howard Wolowitz), Kunal Nayyar (Dr. Rajesh "Raj" Koothrappali), Mayim Bialik (Dr. Amy Farrah Fowler), Melissa Rauch (Dr. Bernadette Rostenkowski-Wolowitz)

Special Guest Star: Bob Newhart (Arthur)

Guest Starring: Bill Nye (Himself)


Plot Overview


Arc Advancement





The Show

Behind the Scenes

Allusions and References

Memorable Moments