the doctor first got his sonic screwdriver at the eleventh hour.
the doctor first got his sonic screwdriver at the eleventh hour.
when does the doctor first get his sonic screwdriver?
the eleventh hour
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the sonic screwdriver is unable to open a "deadlock seal", used as a plot device to prevent an easy solution. russell t davies once mentioned that he would never make the sonic screwdriver the solution to an episode. in "silence in the library" (2008), while trying to open a wooden door, the doctor tells donna that the sonic screwdriver won't work because the door is made of wood, a fact later restated in "the hungry earth" (2010); when rory complains about this, the doctor counters to not "diss the sonic." the sonic screwdriver's inability to work on wood is clarified in "in the forest of the night" (2014), when the doctor states that the sonic screwdriver works by manipulating the moving parts in various machinery: since plant tissue lacks said moving parts, it is unaffected by the sonic screwdriver (though this claim is slightly inconsistent with its visible ability to repair human tissue). in "the parting of the ways" (2005), the doctor mentions that when emergency program one was activated, the sonic screwdriver would receive a signal from the tardis. in "forest of the dead" (2008), he claims that a few hair-dryers can interfere with the device, though he states that he is "working on that".
sonic screwdriver