Doctor Who: 20 Things You Didn’t Know About The Waters Of Mars
10. Several Romantic Subplots Were Cut
Ever wondered why Adelaide and her second-in-command Ed seem to be so frosty towards each other? Well, it's because they were supposed to be much closer than their ranks suggested.
RTD has said that he originally intended for there to be more overtly romantic tones to Adelaide and Ed's relationship, but they were eventually cut.
He changed Ed's last words to "You never could forgive me" to hint at this, while also leaving things up in the air (see 11:50 in the video below).
While the romantic feelings between Yuri and Mia were more prominent in the final cut, there were also more overt links between those two that were, you guessed it, cut for time (7:10 in the video below).