The guys are at the comic book store, and Sheldon has brought Amy along for new comic book night, but she tells him it’s “lame-o.” Stuart approaches Amy and Sheldon and talks to them briefly. Stuart them approaches the other guys, and asks them to find out if Sheldon would be okay if he asked Amy out.
At the apartment, Leonard tells Sheldon that Stuart is interested in Amy. Sheldon says Amy wouldn’t be interested, and says fine to them going out.
The girls are at Penny’s apartment, and trying to figure out their plans for the night. Amy suggest travel Twister, and then gets a text from Stuart asking her to get coffee. Penny encourages Amy to go out with him since nothing is happening with Sheldon relationship-wise.
Sheldon and Leonard go to the comic book store, but Stuart isn’t there, and there is a guy named Bill watching the register. When they find out that Stuart and Amy went out, Sheldon is surprised that he was wrong about her going with him, but says he’s perfectly okay.
The next day at work, Sheldon has friended Stuart on Facebook to find out how the date went. Leonard tells him to just admit that he doesn’t like Amy seeing other guys.
Sheldon goes over to Penny’s, and asks her to go on a date. She knows he’s just trying to get back at Amy, and he asks her how he does gets Amy back. She tells him he needs to go talk to Amy and tell her how he feels.
Amy and Stuart are at a movie, and he doesn’t believe her that she’s actually having a good time. Sheldon shows up, and he tells her how he feels, and says that nothing is going to change in their relationship, except he won’t call her not-his-girlfriend anymore. She tells him she’ll be his girlfriend, and Sheldon leaves them to finish their date.
Stuart takes Amy back to her apartment, and Sheldon is waiting inside for her, and he presents her a relationship agreement (similar to his roommate agreement with Leonard), which she says is romantic.
The girls play Twister in Penny’s apartment, when Sheldon shows up and says he has a splinter, which Amy has to take care of “boo-boos and ouchies” under the agreement.