The Big Bang Theory/The Monster Isolation
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The Monster Isolation is the seventeenth episode of the sixth season of The Big Bang Theory, and the one hundred twenty-eighth 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)
Co-Starring: Riccardo LeBron (Tom)