The Big Bang Theory - Season 8 Episode 19 -
Season 8, Episode 19 - The Skywalker Incursion
When Leonard and Sheldon are invited to speak at UC Berkeley, they take a detour to try and meet one of their idols. Meanwhile, while cleaning out Mrs. Wolowitz's house, a ping pong battle ensues when Howard and Bernadette argue over the fate of his TARDIS.
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