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!

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TBBT Quotes

Penny: Hey, Sheldon, did you change your Wi-Fi password again?
Sheldon: Yes, it's "Penny, get your own Wi-Fi." No spaces.

Leonard: Hi. I'm Leonard. You are beautiful. You pop, sparkle and buzz electric. I'm going to pick you up at eight, show you a night you will never forget.
Raj: Where are we going?