Doctor Who: Every Russell T Davies Episode Ranked From Worst To Best
3. Turn Left
Series 4’s eleventh episode was Doctor Who’s answer to Sliding Doors, asking: “What if Donna had never met the Doctor?”
Well, it turns out, he wouldn’t have made it out of The Runaway Bride alive.
Cue an alternate timeline where every subsequent invasion takes place unopposed… and the world gradually descends into chaos.
Turn Left is fascinating both as a Doctor Who episode and a piece of drama in its own right.
It’s shows how much worse the world would be without the Doctor (and, by extension, Doctor Who). But it’s also a commentary on fascism, and how easily it takes hold in times of crisis.
As with 73 Yards, it’s up to the companion to save the day – in this case, by committing literal suicide.
Bleak stuff for Doctor Who. But that’s precisely why it works. There’s nothing else quite like it.