If you missed it, make sure you check out Part 1 of the series where we covered the Doctor’s background, the TARDIS, Regeneration and details about the first three Doctors.

The Gadgets

The TARDIS may be the most important part of the Doctor’s gadgetry but it is not the only thing he relies on. The next most important part of his arsenal is the sonic screwdriver. The primary function of the device is for the writers to avoid plot holes by giving the Doctor a way to access technologies from any time or place. Within the show it has used as a lockpick, a medical scanner, a computer hacking device, a tracker for alien life and technology and a remote for other devices. The only notable weakness of the sonic screwdriver is it’s inability to manipulate wooden devices.

Initially use of the device was sporadic, first appearing during the era…