The Big Bang Theory/The Decision Reverberation

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The Decision Reverberation
Season 12, Episode 20
Airdate April 25, 2019
Production Number T12.16020
Teleplay by Eric Kaplan &
Maria Ferrari &
Jeremy Howe
Story by Steven Molaro &
Steve Holland &
Tara Hernandez
Directed by Mark Cendrowski
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The Big Bang TheorySeason Twelve
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The Decision Reverberation is the twentieth episode of the twelfth season of The Big Bang Theory, and the two hundred seventy-fifth episode overall.

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

Guest Starring: Joshua Malina (President Siebert), Rati Gupta (Anu), David Theune (Dr. Graybel), Angela Lin (Maritza)

Co-Starring: Elijah Isaiah Cook (Terry)


Plot Overview


Arc Advancement





The Show

Behind the Scenes

Allusions and References

Memorable Moments