Neil Gaiman, author of Saturday's Doctor Who episode, The Doctor's Wife, will be answering questions on the story, live on the Guardian blog on Monday afternoon.
Questions can be left via the comments section on the newspaper's website. The live chat takes place at 4pm UK time, 1500GMT.
Gaiman posted on twitter had received around 20,000 tweets after the episode. He said his favourite thing about the day was seeing TARDIS trending in the UK, US & Canada.
Update: the Q&A session may be found here.