Of all the possible Big Bang Theory couplings, do any of them make for stranger bedfellows than Raj and Penny?
"I really don't think so! Especially if my reaction means anything," executive producer Steve Molaro tells TVGuide.com. "I remember Chuck [Lorre], Bill [Prady] and I were in the writers' room breaking the season finale and that story of [Raj and Penny sleeping together] came up. I think I had a strong reaction to it — facially. I was like, 'Really?!' I think Chuck was so amused by how strong my reaction was that he was like, 'Well, now we have to do it!'"