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.

To kill a Time Lord, you need to do enough damage rapidly enough to prevent regeneration. There's at least one poison, used by Melody Pond/River Song in "Let's Kill Hitler", that prevents regeneration. Inflicting severe damage during regeneration will also be fatal, as appeared to happen -- but didn't actually happen -- at Lake Silencio in "The Impossible Astronaut".