Wow, The Waters Of Mars has just broadcast on BBC One and BBC HD. That means that our Waters Of Mars discussion has started!
Please use this post to comment and express your views on the episode and was it worth the wait? You can reply to other comments in polite ways, but please do not use foul language, and/or any other form of bullying.
The Waters Of Mars is now available to play BBC iPlayer HERE.
View the next time trailer below: