Experiment: [s1e8] The Grasshopper

: This episode marks the first appearance of Dr. V.M. Koothrappali (Brian George) and Mrs. Koothrappali (Alice Amter).

Watch these clips to see Raj's first alcoholic breakthrough and Sheldon's accidental charm in action: [S1E8] The Grasshopper Experiment

: This was the final episode to air before the 2007–2008 Writers Guild of America strike. Frequent reruns of these first eight episodes during the strike are credited with helping build the show's early fan base. : This episode marks the first appearance of Dr

Meanwhile, Penny is practicing her bartending skills for a new shift at and offers to mix drinks for the guys. After sipping a "Grasshopper" cocktail, Raj discovers that alcohol allows him to overcome his selective mutism and talk to Penny. [S1E8] The Grasshopper Experiment