I am not a fan of Moffatt... sorry, his story arcs are too complex and and his episodes spend far too much time trying to be over clever... Saying that, Matt Smith was brilliant... And so is Capaldi. I just worry that Moffatt's poor stories are killing a good, if not brilliant Doctor. Capaldi is always going to be a hard pill for some Who fans to swallow, especially after the youth of Tennant and Smith. But Moffatt appears to want to make him so unpalatable as to kill the show. Worry and rant over... Despite the above, I have enjoyed the new series. Capaldi brings in so much depth to the role as well as a lack of that gushy sentimentality which is commendable but also sickening. He's an alien... he doesn't have the same morals... He has been there and seen it...he once thought he killed his people... and stood by the decision, despite the crushing guilt. He should be dark and grumpy. This episode Capalidi's Doctor displays a sense of getting the job done, despite what it costs. As another reviewer pointed out, he will sacrifice because he has made the ultimate sacrifice. This episode, was well written and yes one of the best of the series (athough I did like "The Moon" episode until the "hatching" (For pity's sake Moffatt...). But the drama of the relationship between The Doctor and Clara was brilliant. Built up nicely in the Caretaker (possibly the second best of the series so far...). I agree, it would be nice for the Doctor to have an episode without Clara... So she and he can experience what life would be like without each other...and then maybe bump into following some crisis on Earth (Ooooo, I could write the script but its too late now) I am looking forward to next weeks episode...