The Big Bang Theory' Finale Scores Huge Ratings, 18 Million Viewers
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The Big Bang Theory: Complete Series Box Set Seasons 1-12 (DVD) - Walmart.com
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Season 3 | The Big Bang Theory Wiki | Fandom
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Season 12 to be last season of "Big Bang Theory"
The Big Bang Theory Season 13: Explosive Theories to Unanswered Questions|🍿OSSA Movies - YouTube
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The Big Bang Theory: The Complete Ninth Season [3 Discs] - Best Buy
The Big Bang Theory (TV Series 2007–2019) - Episode list - IMDb
The Big Bang Theory (season 12) - Wikipedia
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Big Bang Theory' Finale: Writers Bid Farewell To Their 'Surrogate Family' : NPR
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The Big Bang Theory: Seasons 6-10 - Best Buy
The Big Bang Theory final season to end in 2019 - BBC News
