VIDEO: Big Bang Theory on-set flash mob delivers best bazinga ever

The Big Bang Theory has always looked like a show the cast and crew have fun making, but they've outdone themselves this time. Watch as the whole Big Bang set breaks out in a flash mob before a live studio audience.

It starts like any other scene on set. The crew's gearing up to shoot a scene, the whole main cast is gathered in Leonard and Sheldon's apartment ... and then Carly Rae Jepsen's inescapable "Call Me Maybe" starts playing.

The flash mob starts with the crew, with the cast playing dumb, but then stars Kaley Cuoco, Melissa Rauch, Mayim Bialik, Kunal Nayyar and Simon Helberg run right up to the audience seating area and join in (while Johnny Galecki and Jim Parsons stay safely on the couch). And, of course, it wouldn't be a Big Bang flash mob if it didn't end with a Sheldon catch phrase.

Check out the video below and see which cast member has the best moves.

(YouTube via Facebook)

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