‘Big Bang Theory’: First Look at the Emotional Two-Part Series Finale (PHOTOS)

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The Big Bang Theory - Cast
Photo: Michael Yarish/Warner Bros. Entertainment Inc

Leonard (Johnny Galecki), Sheldon (Jim Parsons), Amy (Mayim Bialik) and Penny (Kaley Cuoco) convene for some friend time

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President Siebert (Joshua Molina) approaches Koothrappali (Kunal Nayyar), Howard (Simon Helberg) and Leonard on break

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Bert (Brian Posehn) and Koothrappali meet in the kitchen

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Barry (John Ross Bowie) has a big smile

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Amy and Sheldon share a weighty look

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Why does Amy look so distraught with Koothrappali?

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Why is Sheldon hiding?

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Howard and Bernadette (Melissa Rauch) only have eyes for each other

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Leonard and Penny share a sweet moment

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It’s all laughs for Howard, Bernadette and Penny

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Sheldon in his natural habitat

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Penny’s pretty in pink

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The Big Bang Theory finale is coming, and CBS has released a few images from the upcoming final installments.

As fans of the long-running series know, the show will conclude with an hour-long (two half-hour episodes) series finale on Thursday, May 16. The episodes are titled “The Change Constant” and “The Stockholm Syndrome.”

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The comedy airs its series finale on May 16.

The logline for “The Constant Change” reads, “Sheldon and Amy await big news on the series finale,” while the logline for “The Stockholm Syndrome” says, “Bernadette and Wolowitz leave their kids for the first time; Penny and Leonard try to keep a secret; Sheldon and Amy stick together; and Koothrappali makes a new friend, as the gang travels together into an uncharted future on the series finale.”

Above, click through the images for your sneak peek at the end, and don’t miss the series finale when The Big Bang Theory airs Thursday, May 16.

The Big Bang Theory, Series Finale, Thursday, May 16, 8/7c, CBS