[s1e8] The Grasshopper Experiment -

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

: The episode establishes alcohol as Raj's social lubricant, a trait that remains a core part of his character for several seasons until he eventually overcomes his mutism while sober in Season 6. [S1E8] The Grasshopper Experiment

: Despite his lack of interest in romance, Sheldon's literal interpretation of a date leads to a humorous situation where he unknowingly steals Raj's match. : This episode marks the first appearance of Dr