Hairy Leonard is very eager to see Penny upon his return from their three month expedition and is a little upset at Sheldon for crashing their good makeup time.
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Sheldon comes crawling back to his mother's home in the season three premiere of The Big Bang Theory when his arctic expedition doesn't go as planned.
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It looks like Leonard and Penny will make up for lost time when Leonard returns from his arctic expedition in the season three premiere of The Big Bang Theory.
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It looks like Kripke is back to annoying our favorite nerds in the upcoming third season premiere of The Big Bang Theory.
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So what do you think of Sheldon with a little facial hair? You're going to get a chance to see him with a goatee in the season three premiere of The Big Bang Theory.
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Sure Leonard, Raj and Wolowitz may have fudged the data that send Sheldon crawling back to Texas, but at least they're good enough friends to come and retrieve him!
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The Big Bang Theory Season 3 Episode 1 Quotes

Wolowitz: Sheldon. You remember the first few weeks; we were looking for magnetic monopoles and not finding anything, and you were acting like an obnoxious, giant dictator?
Raj: I thought we were going to be gentle with him.
Wolowitz: That's why I added the "tator"

Wolowitz [after seeing Penny jump Leonard]: Damnit, I should have gone over and said we were back
Raj: Yeah, it was "first come, first serve."