[s2e17] The Terminator Decoupling Here

Raj manages to talk to her after drinking what he thinks is beer, only to lose his "magic" when Howard reveals it is non-alcoholic.

Sheldon remains entirely indifferent to her celebrity, viewing her existence as a potential Skynet infiltration plot. 3. The "Penny-Sheldon" Remote Interaction [S2E17] The Terminator Decoupling

The episode features actress (playing herself), famous for Terminator: The Sarah Connor Chronicles . Raj manages to talk to her after drinking

It takes seven times as long as a flight and costs twice as much. [S2E17] The Terminator Decoupling

Sheldon must guide Penny into his "sanctum sanctorum" (his bedroom) via phone.

While the boys are on the train, Sheldon realizes he left a flash drive with his research paper at the apartment.