61,011 Pages


The Leptonic Era was the microsecond period after the Big Bang that gave birth to the universe. It was a moment of mind-boggling temperatures which, if marginally protracted, would have produced helium 2. (TV: Time and the Rani/PROSE: Time and the Rani)

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.