FANDOM

Ask a question in the box below, or search using the box above.

As you enter your question, our massive, TARDIS-sized computers will search out other similar questions. So be sure to check the list that pops up before asking your question. Once you've decided that your question has not been asked before, push the not-so-threatening blue button below.

If you want to ask questions needing speculation or people's opinions, please do it in our Watercooler forum, not here. The main Q&A space is for questions with definitive factual answers. Thanks!

To avoid spoilers in the main Q&A section, please do to not post information about stories that have not been released in the UK, or ask for information about stories that have not yet aired there.

They don't. Time Lords age, and a regeneration can be triggered by a Time Lord having been in the same incarnation too long, and the body dying of old age. This of course takes several hundred years. The First Doctor regenerated from old age in "The Tenth Planet", while the War Doctor also regenerated from old age in "The Day of the Doctor".