The Big Bang Theory/The Decision Reverberation
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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)
Co-Starring: Elijah Isaiah Cook (Terry)