The cast of 'The Big Bang Theory' filmed their final ever scene together yesterday as they wrapped up the show's last ever season.

The cast has been posting emotional goodbye messages and tributes to the fans on their social media.

Jim Parsons who plays Sheldon said: "Knock, knock, knock, thank you…" he began. "Thank you, apartment 4A, for being a home to so many dreams come true, to so many friendships made. And thank YOU, ALL of you – yes, YOU, reading this right NOW!

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knock, knock, knock, thank you... Thank you, apartment 4A, for being a home to so many dreams come true, to so many friendships made. And thank YOU, ALL of you - yes, YOU, reading this right NOW! As we get ready to tape our final episode tonight, to walk in and out of this apartment door for the last time, it is hard to find the words to articulate what a profound experience this has been. But the words “love” and “gratitude” come to mind... so love and gratitude to all of you. ALL of you. Thank you. ❤️ (oh! and happy birthday to @sanctionedjohnnygalecki and @kunalkarmanayyar - talk about good timing... may your next 12 years be as vibrant and wonderful as the last 12 years in which i’ve had the pleasure to know and work with you both 🎉)

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Johnny Galecki (Leonard) posted the below:

 

Kunal Nayyar (Raj) posted a pic of the gang hugging:

 

While Melissa Rauch (Bernadette) also had a cast pic:

 

And Kaley Cuoco posted a pic of the final bows:

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💫 Final bows tonight 💫 @bigbangtheory_cbs

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The Big Bang Theory's final ever episode will air on Thursday, May 16 on CBS in the US, hopefully not too much longer after on this side of the pond.