Georgie: ‘Check the gate’ is when it’s a good take, and the director’s happy with it, so he says, “Check the gate,” which means ‘check it’. There’s always a cameraman who looks in and says, “It’s goooood!”
Skandar: That’s to make sure there’s nothing in the gates of the camera, which is the correct terminology.
Georgie: And if the gate’s good, then we’ll use the take, and if the gate’s not good, then we’ll have to do another one.
Anna: That was something that — I don’t know how it actually came about.
Georgie: I said, Why don’t we have a song for check the gate? And then, em, Skandar actually made up a song.
Riding and shooting in True Grit (2010).
Why don’t you ask her yourself?
Melody Pond—always getting into trouble because of the Doctor.