The Big Bang Theory Episode 2.16 The Cushion Saturation

Wolowitz begins to date Leslie (played by Sara Gilbert) with Leonard's blessing. Leslie has access to unrestricted grant money that she is using towards Wolowitz's research while the other guys are having their budgets cut. Wolowitz soon realizes that Leslie intends to have a relationship of convenience with no real feelings involved and Wolowitz questions if he is okay with the idea of being used as a sex object; but only for a minute. Meanwhile, Penny accidentally ruins Sheldon's "spot" on the couch; Sheldon's neurosis hits a new level when he tries out different areas in the apartment to find a new spot with no success.