Hollywood 411 interviews Johnny Galecki, the actor behind Leonard from The Big Bang Theory. Johnny goes over how he prepared for the part and where he sees his character's relationship with Penny going. Worth a watch!
<div style="text-align:center;"><script src="http://www.ooyala.com/player.js?width=444&height=333&embedCode=A0ODZnOrVuJbyiww8ZuZItJ1Id49Tm0D"></script><br /><a href="http://www.tvfanatic.com/videos/hollywood-411-interview-with-johnny-galecki/">Hollywood 411 Interview with Johnny Galecki</a></div>
Penny: Wait. What's wrong with geology? Sheldon: Let me put this in a way you'll understand, Penny. You remember how you explained to me that the Kardashians aren't real celebrities? Well, geology is the Kardashians of science.