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18 epic 'Big Bang Theory' guest stars from the worlds of 'Star Trek,' 'Galactica,' 'Star Wars,' more

Over its 12-season run, The Big Bang Theory evolved into one of television's great pop-culture crossroads. What began as a ...
Yahoo

14 The Big Bang Theory Storylines That Never Paid Off

"The Big Bang Theory" was not gifted with a complex overarching plot, but it definitely had storylines that carried over from one episode to another. Its tales underlined each character's personal ...