Earth was an imperfect sphere. (TV: The Blood Line [+]Loading...["The Blood Line (TV story)"])
Nestene energy units were hollow spheres. (TV: Spearhead from Space [+]Loading...["Spearhead from Space (TV story)"])
Torchwood London referred to the Void Ship as "the Sphere". (TV: Army of Ghosts [+]Loading...["Army of Ghosts (TV story)"])
The Toclafane appeared as human heads encased in metal spheres. (TV: The Sound of Drums [+]Loading...["The Sound of Drums (TV story)"]/Last of the Time Lords [+]Loading...["Last of the Time Lords (TV story)"])
Mechanoid Interceptors were giant, spherical warships used by the Mechanoids in their encounters with the Daleks. (COMIC: Eve of War [+]Loading...["Eve of War (comic story)"])
Behind the scenes[[edit] | [edit source]]
A sphere is the set of all points equidistant from one particular point in three-dimensional space.