Big News - Tall - The Big Bang Theory Season 12 Episode 23

Big News - Tall - The Big Bang Theory Season 12 Episode 23

Sheldon and Amy wait to hear big news on The Big Bang Theory. "The Change Constant" is the 23rd episode of the show's 12th season.
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President Siebert - The Big Bang Theory Season 12 Episode 23

President Siebert - The Big Bang Theory Season 12 Episode 23

Josh Malina guest stars as President Siebert on The Big Bang Theory finale. "The Stockholm Syndrome" is the 24th episode of the show's 12th season.
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Changes To Come - The Big Bang Theory Season 12 Episode 23

Changes To Come - The Big Bang Theory Season 12 Episode 23

Sheldon struggles with the changes to come on The Big Bang Theory finale. "The Stockholm Syndrome" is the 24th episode of the show's 12th season.
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Making New Friends - The Big Bang Theory Season 12 Episode 23

Making New Friends - The Big Bang Theory Season 12 Episode 23

Raj makes a new friend on The Big Bang Theory finale. "The Stockholm Syndrome" is the 24th episode of the show's 12th season.
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Leaving the Kids At Home - The Big Bang Theory Season 12 Episode 23

Leaving the Kids At Home - The Big Bang Theory Season 12 Episode 23

Bernadette and Howard attempt to leave the kids at home on The Big Bang Theory finale. "The Stockholm Syndrome" is the 24th episode of the show's 12th season.
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Sheldon Spying - The Big Bang Theory Season 12 Episode 23

Sheldon Spying - The Big Bang Theory Season 12 Episode 23

On whom is Sheldon spying on The Bang Theory finale? "The Change Constant" is the 23rd episode of the show's 12th season.
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Everything Changes - The Big Bang Theory Season 12 Episode 23

Everything Changes - The Big Bang Theory Season 12 Episode 23

What will the future hold for Penny on The Big Bang Theory series finale? "The Change Constant" is the 23rd episode of the show's 12th season.
Added:
Big News - The Big Bang Theory

Big News - The Big Bang Theory

Sheldon and Amy wait to hear big news on The Big Bang Theory. "The Change Constant" is the 23rd episode of the show's 12th season.
Added:

The Big Bang Theory Season 12 Episode 23 Quotes

I apologize if I haven't been the friend you deserve. But I want you to know, in my way, I love you all.

Sheldon

Sheldon: The only drug I need is the endorphins pumping through my brain in anticipation of our victory.
Amy: Well, technically, anticipation wouldn't be mediated by endorphins as much as dopamine but, y'know, you've been up all night so I'll give you that one.