In a new weekly feature, we asked twenty Doctor Who fans for their opinions on the episode. They've all provided scores for different aspects of the episode, plus a small written review.
'Time is beginning to run wild.' On a planet that shouldn’t exist, in the aftermath of apocalypse, the Doctor, Dan, Yaz and Vinder face a battle to survive.
On average, the overall score for Once, Upon Time was 7/10. A full breakdown of scores can be found below...
DOCTOR WHO FLUX: CHAPTER THREE
ONCE, UPON TIME
Doctor Who continues Sunday nights on BBC One and iPlayer.