Written by Steven Moffat
Directed by Rachel Talalay
It had its moments but it also lacked something.
I don't mind the idea of Clara/Ashildr having their own TARDIS but it did seem to cheat the former's fate a little though.
There were great moments with Twelve/Clara in the episode and I liked the subversion of Donna's fate here too.
Gallifrey amounted to very little in the episode. Ohila seemed tacked on and Rassilon too easy defeated also.
Sliders seemed cool but barely used. I do like the new sonic though.
Christmas also looks fun, 8/10
Review ....
http://shawnlunn2002.blogspot.ie/2015/12/my-review-of-doctor-whos-9x12-hell-bent.html