(Sits) Daddy's home. (To his spot) Hello, old friend. Come on in. Except for one night when the heat went out. From the North Pole. Howard, you and Raj go to Texas. I mean, it is what it is and...
Penny: Leonard? I'll stay here with Penny in her apartment. Leonard: And bring you home. Leonard: Come on. Leonard: Yeah, I just stopped by to say... (she grabs him and kisses him) Yeah, so, hi! Raj: He just went colon, capital O.
Sheldon: You tampered with my experiment? Scene: Sheldon's mother's kitchen. Sheldon: Yes, but the actual results are unsuccessful and I've already sent an e-mail to everyone at the university explaining that I have confirmed string theory and forever changed man's understanding of the universe. You see that?
Plan: A: the men; Q: Who returns home from the Magnetic North Pole? A: the Magnetic North Pole; Q: Where did the men return from? A: Penny; Q: Who kisses Leonard? A: her feelings; Q: What does Penny reveal to Leonard? A: Sheldon; Q: Who is humiliated when he learns that Leonard, Howard, and Raj tampered with one of his experiments? A: Mary; Q: Who convinces Sheldon to forgive Leonard? A: evolution; Q: What does Mary disagree with Sheldon about? A: things; Q: What are now weird between Leonard and Penny? Summary: When the men return home from their expedition at the Magnetic North Pole, Penny reveals her feelings for Leonard and kisses him when he visits her. Both are interrupted when Sheldon is humiliated on learning that Leonard, Howard and Raj tampered with one of his experiments, and retreats to his mother's home in Galveston, Texas. When Leonard arrives in Texas, it is Mary who convinces Sheldon to forgive him by disagreeing with his views on evolution. Leonard and Penny then finally have sex, but concede that things are now weird between them.