[The Doctor grins anyway, proud of his trusty ol' sonic.] Nor would you have done. This sonic screwdriver is one of a kind! At my last count, there were over 2000--wait, or was it 3000?--different functions, and overloading the electrical circuits in a semi-organic door control just so happens to be one of them!

[He slips it back into his pocket as he opens the door leading into the body-print machine chamber. No Zygons are about, but there are a good six humans stuck within different machines. Glancing back behind him at the room where the Zygon is yelling and banging on the door, he figures they have a few minutes before help arrives or the door just breaks apart. Either way, they've got to hurry.]

I'll take this half and you get that lot. [He runs to the fourth person down and starts to massage the lever.]