This image released by CBS shows Johnny Galecki, left, and Kaley Cuoco in a scene from the series finale of "The Big Bang Theory," airing Thursday on CBS. (Michael Yarish/CBS via AP)
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This image released by CBS shows Johnny Galecki, left, and Kaley Cuoco in a scene from the series finale of "The Big Bang Theory," airing Thursday on CBS. (Michael Yarish/CBS via AP)
