Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
A relative dimensional computer was a component of TARDISes. The relative dimensional computer of the Doctor's TARDIS malfunctioned (or, as the Fourth Doctor put it to Sarah Jane Smith, the steering went out), causing the ship to go back forty-five hundred million years into Earth's past. (AUDIO: Exploration Earth)