Original timeline

One account of Skaro's history referred to an original timeline prior to another created by the Fourth Doctor's interference. (PROSE: )
According to some accounts, the universe existed as a single linear timeline before the invention of time travel made it the original palimpsest universe. (PROSE: , ) A Faction Paradox member speculated that in the original version of history, the Doctor came from a planet in the 49th century, fleeing the Enemy who had overrun his home. (PROSE: )
Category:Temporal theory