After Cristina recounts an amazing surgery she did with Teddy, Owen is surprised they're really friends. "Be her friend," Cristina tells him. "I never asked you not to be." After a successful surgery the next day, Owen asks Teddy out for a celebratory beer, but she tells him she's got plans: Girls night out, instigated by Arizona, who's noticed Teddy pining over Owen.
Lexie's plan to surprise Alex by waiting for him, naked, in his bed, goes disastrously wrong when Derek walks in instead! Meredith warns her that Alex will only hurt her. Lexie assures her it's just sex and Meredith chides her, "Your heart lives in your vagina!"