The Big Bang Theory Cast: Call Me Maybe Flash Mob Alert!

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This is certainly one way to warm up an audience.

During a recent taping of The Big Bang Theory, those in attendance were treated to an unexpected thrill when crew members suddenly broke out into a flash mob to Carly Rae Jepsen's "Call Me Maybe."

The actors and actresses on set at first played dumb... only to quickly join in the incredible fun. Check out the video now and, for many more laughs, visit TV Fanatic's The Big Bang Theory quotes section.

Call these people hilarious!