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The Grasshopper Experiment is the eighth episode of the first season of The Big Bang Theory.
Johnny Galecki (Leonard Hofstadter),
Jim Parsons (Sheldon Cooper),
Kaley Cuoco (Penny),
Simon Helberg (Howard Wolowitz),
Kunal Nayyar (Rajesh Koothrappali)
Sarayu Rao (Lalita),
Brian George (Dr. Koothrappali),
Alice Amter (Mrs. Koothrappali)
Behind the Scenes
Allusions and References