Although Penny ends up with a black eye and a busted lip, she wins back the guys' loyalty. The episode ends with the group overhearing Alicia having loud sex with a producer from CSI , leading Penny to remark, "Dead whore on TV, live one in real life," which references Alicia's recent acting role. Title Reference

The title refers to the "juxtaposition" between the role Alicia is auditioning for—a on a crime show—and her real-life behavior of using her looks to manipulate the guys and advance her career. Key Highlights

In (Season 2, Episode 19) of The Big Bang Theory , the arrival of a new neighbor, Alicia , sparks a fierce rivalry with Penny . Alicia, a gorgeous aspiring actress like Penny, quickly wins over Leonard, Howard, and Raj, leaving Penny feeling sidelined and jealous of her "Queen Bee" status. Plot Summary

The tension boils over in the laundry room when Alicia dismisses the guys as "losers". Penny defends them, leading to a physical catfight in the hallway.

Alicia moves into the apartment above Sheldon and Leonard. Unlike Penny, who struggles with auditions, Alicia has already landed a recurring soap opera role and national commercials.

As the guys begin doing favors for Alicia—like setting up her stereo and painting her apartment—Penny recognizes that Alicia is using them just as she once did. Penny attempts to reclaim her territory by being overly helpful and even trying to out-glamor her rival.

Sheldon is initially horrified by the prospect of a new neighbor, but he is won over when Alicia perfectly passes his rigorous screening questions about her living habits.

"The Big Bang Theory" The Dead Hooker Juxtaposition ... - IMDb