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OTRC: 'The Big Bang Theory' cast performs a 'Call Me Maybe' flash mob - Video

'The Big Bang Theory' cast and crew appear in a still from their flashmob, which took place on October 23, 2012. (youtube.com/watch?feature=player_embedded&v=dql26ssMcVI)

The cast of "The Big Bang Theory" had a surprise in store for audience members and the showrunners during a live taping of the show on October 23. The cast performed a flash mob dance to several songs including the popular hit "Call Me Maybe."

Video of the surprise - which can be viewed below - hit the web on Thursday, November 15, when it was posted on the show's Facebook page and Tweeted out by star Kaley Cuoco. She later revealed that it was her sister Bri who choreographed the dance.

Several of the show's stars participated in the dance including Cuoco, Mayim Bialik, Simon Helberg, Kunal Nayyar and Melissa Rauch.

"Hello to our awesome 'Big Bang' fans! Finally the moment has come... All my dreams have come true... Yes, my dream to have a live, full out, dance routine for the world to see, has finally happened," Cuoco wrote in a note featured on "The Big Bang Theory" Facebook page. "I present to you... The Big Bang Theory Flash mob!(This literally was the best night of my entire life) Enjoy!!"

Cuoco will host the 2013 People's Choice Awards on Jan. 9, 2013. The show is set to air live at 9 p.m. ET on CBS. Check out the full list of nominations here.

See "The Big Bang Theory" flash mob video below.

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