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The Robotic Manipulation is the first episode of the fourth season of The Big Bang Theory, and the sixty-fourth episode overall.
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 (Amy),
Carol Ann Susi (Mrs. Wolowitz (voice)),
Vernee Watson (Althea)
Behind the Scenes