Why The Big Bang Theory Finale Shocked Johnny Galecki

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• Galecki, who played Leonard, was blindsided when he learned that his character and his on-screen wife Penny would move to New York City in the series finale - a major shift from their Pasadena roots.
• The actor says the change in direction for the beloved couple caught him off guard, but he's proud of how the writers wrapped up one of TV's most popular comedies of the decade.