Here's what happened in The Big Bang Theory's bittersweet finale that fans are praising as "perfect"
The Big Bang Theory - Rotten Tomatoes
![Amazon.com: The Big Bang Theory: The Twelfth and Final Season [DVD] : Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik, Melissa Rauch, Chuck Lorre, Steven Molaro, Bill Prady,](https://m.media-amazon.com/images/I/71VZ5reqIyL._AC_UF1000,1000_QL80_.jpg "Amazon.com: The Big Bang Theory: The Twelfth and Final Season [DVD] : Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik, Melissa Rauch, Chuck Lorre, Steven Molaro, Bill Prady,")
Amazon.com: The Big Bang Theory: The Twelfth and Final Season [DVD] : Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik, Melissa Rauch, Chuck Lorre, Steven Molaro, Bill Prady,
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