All QI research is double-checked before it's used in one of our shows or books to make sure that it comes from reliable sources.
But despite our best efforts, you might occasionally come across something we've said which is untrue. This could be because:
If you think you've spotted a mistake, and it's not already listed on the Quibble Blog, you can submit it to the Quibbles forum for discussion.
Remember, QI has been running for over a decade and is repeated a lot, so be sure to check the forums and blog in case we've already addressed an error.