The Big Bang Theory Season 6 Episode 14
The Cooper/Kripke Inversion
-Sheldon and Barry Kripke are going for the same grant, so the university decides they should work together. After trading their research, Sheldon realizes that Kripke's work is more advanced than his and gets upset. Kripke attributes Sheldon's work quality to his relationship with Amy and time spent in bed. Sheldon perpetuates the story that he is having lots of sex with Amy. Penny brings the subject up and asks Sheldon if he would ever sleep with Amy and he says, "Possibly." Penny is flabbergasted by his honesty and response.
- Raj and Howard spend $1000 on personalized action figures. When they arrive, they don't look like them. They decide to buy a 3D printer to make their own. Howard made figurines of both him and Bernadette. She's impressed until she finds out that Howard spent $5000 for the machine. She corrects his mistaken belief that her money is his money. Raj has to buy out Howard's half of the machine.