Summary of teh Pilot episode

The episode started off with Sheldon and Leonard entered a high IQ sperm bank to donate sperm for some extra money. Sheldon then decided that he didn't want to do it anymore, so they both left. When they arrived to their flat, they noticed that there was a new neighbor, Penny,  moving in. They invited her to have lunch with them, and she accepted the offer. When they finished lunch Penny started to talk about her life, then started to cry because her boyfriend left her.  She asked if she could use their shower because her's didn't work, Leonard responded that she could. While she was in the shower Raj and Howard arrived at Leonard and Sheldon's flat. After Penny came out of the shower she was surprised to see their friends there but asked Leonard if he could do her a favor. The favor was to pick up her TV from her ex-boyfriend's apartment. When they got to the ex-boyfriend's flat, they asked him to give them Penny's TV, but he refused and stole their pants. When Leonard and Sheldon got back to their flat Penny asked them what happened, and then invited them all out for dinner, because she felt bad for what happened to them.