Electrons moved in two dimensions when influenced by a magnetic field, hinting at how a similar effect would occur in the fourth dimension.

This story marks the last appearance of the traditional TARDIS console room until it is reintroduced in The Invisible Enemy in 1977. A new, wooden walled room and smaller console would take its ...

Following the renovation of the TARDIS console for The Claws of Axos, the console room itself gets a bit of ... This concept was repeated in the Fourth Doctor’s final story, Logopolis, in ...