Echoes of Eternity

This is the first special from Season 17.
==Story==
The Sixteenth Doctor and Macy Gray find themselves in a parallel universe where time flows backward. They must navigate this perplexing world and work with an enigmatic character called the "Timekeeper" to restore the timeline before it unravels completely. Along the way, they encounter reversed versions of their old enemies and allies, leading to a mind-bending confrontation with their own past.
==Cast==
The Doctor - Adrian LesterMacy Gray -The Timekeeper - Voice of The Daleks - Nicholas Briggs
==Behind The Scenes==
This episode would be written by Andy Wilkins. To sprice things up for Doctor Who's 65th anniversary, this would be the first of four bi-monthly specials to be aired
==Continuity==
At the conclusion of this episode following the credits, a short trailer showing a few brief seconds from the next special would be shown.