| Description | Item | Episode |
| Weapon that can kill with a directed laser beam or artificially age a target | |
| Negates the weight of items to which it is attached | |
| A supercomputer used by the High Council of the Time Lords as a storehouse of knowledge and to predict future events | |
| Chula nanotechnology which can heal damaged tissue | |
| An explosive substance created by Ace | |
| Allows communication through anything with a speaker grille | |
| Priming device controlled by UNIT for a series of 25 nuclear warheads placed beneath the Earth's crust at strategic points | |
| Device built by the Master to prevent temporal consequences | |
| Telepathic effect that misdirects the senses around itself or the person using it | |
| Allows the holder to show people whatever he wants them to see | |
| Device created by the Daleks to disrupt the electrical bond between all atoms in every form of matter | |
| A component of TARDIS circuitry that bridges between the outerplasmic shell and the internal space of the ship's interior | |
| Spiralling insignia that serves as a logo for the Time Lords | |
| A handheld weapon from the 51st century, produced in the weapon factories of Villengard, that can disintegrate as well as reintegrate its targets | |
| The Doctor's main tool and defensive weapon; it doesn't work on wood | |
| The Doctor's ship | |
| Small time-travelling device worn on wrist or finger | |
| A detector of temporal disturbances; 'goes ding when there's stuff' | |
| The Master's trademark weapon; drastically shrinks bodies until life functions cease | |
| A device which disperses matter, transmits it to and then reconstitutes it in another location | |
| 'A pan-dimensional surfboard' | |
| An ore used primarily in computers and as spaceship fuel | |
| A gap in the fabric of reality that allows one to look directly into the Time Vortex | |
| A more primitive form a time-travel technology; a 'space hopper' | |
| Highly explosive device inside a carbonised shell | |
| A perfect uncut diamond only found on Gallifrey | |