The Monster Isolation

"The Monster Isolation" is the seventeenth episode of the sixth season of the CBS sitcom, The Big Bang Theory. The episode will air in late February 2013.

Summary
Raj and Lucy, the girl left with him after the Valentine's Day party at the comic book store, are having coffee the same evening. They seem to be getting along, however; she excuses herself and then leaves. Another day, Sheldon is taping a "Fun with Flags" episode discussing the Nebraska flag with his guest Penny. Penny stops the taping and shows him how to loosen up using things she learned in acting class. Later video chatting with Amy, she tells Sheldon that he should thank Penny since things went so well. Mistakenly he immediately gets up to go over to Penny's apartment. She gets him to attend her acting class' production of "A Streetcar Named Desire" though Sheldon thinks that he'll find it boring. The gang finds Raj moping over Lucy looking terrible and his apartment a wreck. Later Lucy enters the comic book store to give Stuart a note which Howard delivers to Raj. The gang is getting ready to go to Penny's play, but first have to take away from Sheldon several gaming systems. Penny is performing very well in her part with everyone complimenting her. Raj finally meets Lucy with her telling him that she has a lot of social problems. Raj tells her that he has problems, too. Though Lucy thinks he might not be telling her the truth, she agrees to go on another date to find out. Back at the apartment, Penny and Sheldon are reenacting part of the play with Leonard the one getting bored quickly.