'Doctor Who' season 8, 2014 episodes [SPOILERS]: Will Peter Capaldi leave Steven Moffat's BBC series after one season?

Peter Capaldi hasn't even made his debut as the new Doctor on BBC's Doctor Who, so why is there a new rumor about him leaving the series already? Reports are claiming Capaldi's run as the twelfth Doctor will only last one season, just like Christopher Eccleston's stint as number Nine. If this is true, why did Steven Moffat come to this decision and who would replace him?

Again, if this rumor turns out to be true, a replacement for Capaldi should have already been chosen because the eighth season is currently filming. We learned of Capaldi's casting over the summer, leaving months of waiting and also time to properly send off Matt Smith. Though there are ways around this.

The Mirror suggests:

His debut season is currently being filmed, which means they would have almost certainly selected a replacement. It is possible that Steven Moffat and company could just film half of the Doctor's regeneration process for the finale of this season, and end on a mercilessly cruel cliffhanger - without unveiling the new actor. This would mean they could delay the selection of the next Doctor for a few months.

So should we wait for a new announcement? It should be noted that The Mirror started this rumor, saying "Peter Capaldi was selected as a 'single season Doctor' in order to steer the show in a new direction and pave the way for an even more radical (and possibly more controversial) choice for the role."

Perhaps we shouldn't pay too much attention to this rumor, but we'd like to hear your opinions on this matter. Let us know what you think in the comments section below!